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GR. 11 WISKUNDE DERDE VRAESTEL NOVEMBER ... - AdMaths

GR. 11 WISKUNDE DERDE VRAESTEL NOVEMBER ... - AdMaths

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<strong>11</strong>.1 Gegee driehoeke A, B, C en D<br />

<strong>11</strong>.2<br />

2,5 1,5<br />

A<br />

2<br />

8/12<br />

VRAAG <strong>11</strong> [ 9 ]<br />

Watter twee driehoeke is gelykhoekig?<br />

Gee ‘n rede vir jou antwoord. (2)<br />

E<br />

In die diagram is DQ die halveerlyn van EDFin DEF.<br />

DQ en PF sny in T, sodat TF = QF<br />

Bewys dat...<br />

<strong>11</strong>.2.1 DTF III DQE (5)<br />

<strong>11</strong>.2.2<br />

P 1<br />

2<br />

3,5<br />

B<br />

3<br />

2,5<br />

D<br />

1 2<br />

T<br />

1<br />

4<br />

2 3<br />

1 2<br />

Q<br />

1,5<br />

DF FQ<br />

(2)<br />

DE QE<br />

<strong>11</strong> V3 <strong>NOVEMBER</strong> 20<strong>11</strong><br />

C 0,5<br />

1<br />

2<br />

1<br />

F<br />

5<br />

3<br />

D<br />

TOTAAL: 100<br />

4

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