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2 years ago

Find the measure of QPR.. I need full explanation please

Mathematics

1 answer:

sweet-ann [11.9K]2 years ago

5 0

Answer:

b) 42°

Step-by-step explanation:

When two triangles share the same base (in this case, side QR), one angle is half of the other one. In this case:

1/2*∠QPR = ∠QSR

From the picture,

∠QSR = 21°

Replacing into the equation and solving for ∠QPR:

∠QPR = 2*21° = 42°

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