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Wiskunde

Meetkunde, datahantering en waarskynlikheid

Meetkunde

Opvoeders afdeling

Memorandum

1.

1.1 Lyn ewe ver middelpunt gebrek

2.

2.1 180

2.2 1

2.3 360

Leerders afdeling

Inhoud

Aktiwiteit: om 2-dimensionele vorms te ondersoek en te vergelyk [lu 3.3.3]

‘n Kykie na sirkels

1. Kyk goed na die skets en beantwoord dan die vrae:

RQ = Middelyn

SP = Straal

1.1 Wat is ‘n sirkel?

_____________________________________________________________________

1.2 Waar, in ons alledaagse lewe, kry ons met sirkels te doen?

_____________________________________________________________________

_____________________________________________________________________

2. Beantwoord die volgende vrae:

2.1 Hoeveel middellyne kan ‘n sirkel hê? ___________________________

2.2 Hoeveel middelpunte kan ‘n sirkel hê? __________________________

2.3 Hoeveel strale (radius) kan ‘n sirkel hê?__________________________

3. Gebruik jou passer en trek ‘n sirkel met ‘n:

3.1 straal van 30 mm

3.2 middellyn van 80 mm

HET JY GEWEET?

Ons kan pragtige patrone met sirkels trek! Die patroon hieronder word “Paisley” genoem en word op klere of stukke lap gebruik.

4. Kan jy sien hoe die patroon geteken is? Probeer dit self!

5. Volg die volgende stappe en gebruik dan hierdie metode om die volgende patrone te teken. Jou opvoeder sal die nodige folio verskaf:

Teken ‘n sirkel

Gebruik dieselfde straal om die omtrek af te merk

Verbind nou die punte (indien nodig)

5.1

5.2

5.3

5.4

6. Ontwerp nou jou eie sirkel-patroon! Kleur dit netjies in:

Tyd vir selfassessering

Dit is belangrik dat ons sal weet of jy die werk wat ons tot dusver gedoen het, goed verstaan. Lees die onderstaande kriteria. Evalueer jouself op ‘n skaal van 1 – 4 deur ‘n sirkel om die toepaslike syfer te trek.

Kriteria 1 = Glad nie.2 = Net ‘n bietjie (min).3 = Goed.4 = Uitstekend.
Ek kan die term “ewewydig” verduidelik. 1 2 3 4
Ek kan die verskil tussen ‘n lyn en ‘n lynstuk verduidelik. 1 2 3 4
Ek kan die volgende begrippe verduidelik:
* skerphoek; 1 2 3 4
* stomphoek; 1 2 3 4
* regte hoek. 1 2 3 4
Ek kan hoeke akkuraat:
* met ‘n gradeboog meet; 1 2 3 4
* met ‘n gradeboog trek. 1 2 3 4
Ek kan die ooreenkomste tussen ‘n reghoek en ‘n parallelogram noem. 1 2 3 4
Ek kan die verskille tussen ‘n reghoek en ‘n parallelogram noem. 1 2 3 4
Ek kan die begrip “simmetries” verduidelik. 1 2 3 4
Ek kan die term “rotasie-simmetrie” verduidelik. 1 2 3 4
Ek kan die volgende begrippe verduidelik:
* straal; 1 2 3 4
* middellyn. 1 2 3 4
Ek kon die figure vergroot en verklein. 1 2 3 4
Ek kan patrone met sirkels teken. 1 2 3 4

Kom ons kyk na 3-Dimensionele figure.

Jy het seker al baie met ‘n dobbelsteen gespeel. Kyk of jy jou eie een kan maak. Trek die volgende ontvouing net so af. Knip dit uit en vou jou dobbel-steen. Skryf dan die nommers 1 – 6 op die kante. Onthou dat die nommerpare (1,6); (3,4) en (2,5) op die teenoorgestelde kante moet wees.

HET JY GEWEET?

Die dobbelsteen wat jy so pas gemaak het, is ‘n voorbeeld van ‘n kubus .

Kyk ook goed hierna:

Assessering

Leeruitkomste 3: Die leerder is in staat om eienskappe van en verwantskappe tussen twee-dimensionele vorms en drie-dimensionele voorwerpe in ‘n verskeidenheid oriënta­sies en posisies te beskryf en voor te stel.

Assesseringstandaard 3.3: Dit is duidelik wanneer die leerder twee-dimensionele vorms en drie-dimensionele voorwerpe wat in hierdie graad bestudeer word, ondersoek en vergelyk (individueel en/of as lid van ‘n groep), volgens die bostaande eienskappe deur die volgende te doen:

3.3.3: gebruik ‘n passer om sirkels, patrone in sirkels en patrone met sirkels te teken.

Questions & Answers

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Lambiv Reply
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Lambiv
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Lambiv
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WARKISA
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Lambiv
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appreciation
Eliyee
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Lindiwe Reply
In economics, a perfect market refers to a theoretical construct where all participants have perfect information, goods are homogenous, there are no barriers to entry or exit, and prices are determined solely by supply and demand. It's an idealized model used for analysis,
Ezea
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Shukri Reply
other things being equal
AI-Robot
When MP₁ becomes negative, TP start to decline. Extuples Suppose that the short-run production function of certain cut-flower firm is given by: Q=4KL-0.6K2 - 0.112 • Where is quantity of cut flower produced, I is labour input and K is fixed capital input (K-5). Determine the average product of lab
Kelo
Extuples Suppose that the short-run production function of certain cut-flower firm is given by: Q=4KL-0.6K2 - 0.112 • Where is quantity of cut flower produced, I is labour input and K is fixed capital input (K-5). Determine the average product of labour (APL) and marginal product of labour (MPL)
Kelo
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Shukri
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Shukri
what is monopoly mean?
Habtamu Reply
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Shukri Reply
Quantity demanded refers to the specific amount of a good or service that consumers are willing and able to purchase at a give price and within a specific time period. Demand, on the other hand, is a broader concept that encompasses the entire relationship between price and quantity demanded
Ezea
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Economic growth as an increase in the production and consumption of goods and services within an economy.but Economic development as a broader concept that encompasses not only economic growth but also social & human well being.
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Jabir
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Asui
it is a curve that we get after connecting the pareto optimal combinations of two consumers after their mutually beneficial trade offs
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In economics, the contract curve refers to the set of points in an Edgeworth box diagram where both parties involved in a trade cannot be made better off without making one of them worse off. It represents the Pareto efficient allocations of goods between two individuals or entities, where neither p
Cornelius
In economics, the contract curve refers to the set of points in an Edgeworth box diagram where both parties involved in a trade cannot be made better off without making one of them worse off. It represents the Pareto efficient allocations of goods between two individuals or entities,
Cornelius
Suppose a consumer consuming two commodities X and Y has The following utility function u=X0.4 Y0.6. If the price of the X and Y are 2 and 3 respectively and income Constraint is birr 50. A,Calculate quantities of x and y which maximize utility. B,Calculate value of Lagrange multiplier. C,Calculate quantities of X and Y consumed with a given price. D,alculate optimum level of output .
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Answer
Feyisa
c
Jabir
the market for lemon has 10 potential consumers, each having an individual demand curve p=101-10Qi, where p is price in dollar's per cup and Qi is the number of cups demanded per week by the i th consumer.Find the market demand curve using algebra. Draw an individual demand curve and the market dema
Gsbwnw Reply
suppose the production function is given by ( L, K)=L¼K¾.assuming capital is fixed find APL and MPL. consider the following short run production function:Q=6L²-0.4L³ a) find the value of L that maximizes output b)find the value of L that maximizes marginal product
Abdureman
types of unemployment
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What is the difference between perfect competition and monopolistic competition?
Mohammed
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Source:  OpenStax, Wiskunde graad 6. OpenStax CNX. Sep 15, 2009 Download for free at http://cnx.org/content/col11072/1.1
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