Question

17. In a APQR, PQ = PR. If <P = 70°, what are the measures of <0 and <R?

18. In a angleABC, AB = AC. If Z
<B = 30', what is the measure of <A?

19. What is the measure of each angle of an equilateral triangle?


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Answer 1

Answer:

Given that PQ=PR then ∠R=∠Q=x

∠P+∠Q+∠R=180

∘

x+x+40

∘

=180

∘

x=70

∘

.

∠R=∠Q=70

∘

.

Answer 2

Answer:

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