Question

9. Consider the following figure. AABC is isosceles with AB = AC. DE is drawn parallel
to BC. Give reasons for each of the following statements.
A
D
E
(i) ZB = 2C
(ii) ZADE = ZB
(iii) ZAED = ZC
(iv) ZADE = ZAED
(0) AADE is isosceles.
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Answer 1

Answer:

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Answer 2

Answer:

consider the following alleged proof of the statement: TC[6-iv] ... isosceles triangles; so, AAD'P and ABCP are congruent. ... If A, B, and C are three collinear points, AC = BC;. <-^ .<—.