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storchak [24]
3 years ago
11

I appreciate the help(: PQ=RQ R a = [? ]°

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
3 0

Answer:

a = 43°

Step-by-step explanation:

Since PQ = RQ then Δ PQR is isosceles and the base angles are congruent, that is both 47° , thus

2a = 180° - (47 + 47)° = 180° - 94° = 86° ( divide both sides by 2 )

a = 43°

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