3 years ago

The measure of angle Q is 70 degrees. Find the measure of angle P.

Mathematics

1 answer:

gtnhenbr [62]3 years ago

5 0

Answer:

∠ P = 40°

Step-by-step explanation:

Since PQ = PR then the triangle is isosceles and the base angles are congruent, then

∠ R = ∠ Q = 70° , so

∠ P = 180° - (70 + 70)° ← sum of angles in triangle is 180°

∠ P = 180° - 140° = 40°

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