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2 years ago

What is the measure of please show step by step instructions.

Mathematics

2 answers:

serg [7]2 years ago

6 0

Step-by-step explanation:

We know that exterior angle of a triangle is equal to the sum of two opposite interior angles.

38° + 50° = <A

Therefore <A = 88°

Lana71 [14]2 years ago

3 0

Answer:

The answer is ∠A = 88°

Step-by-step explanation:

Given that there is one angle in the triangle has no been found yet. So we have to find the angle first in order to find ∠A. Let make the unknown angle as ∠X :

∠X = 180° - 38° - 50° (angle in a triangle is 180°)

= 92°

Then we have found ∠X. Next we can find ∠P. We know that ∠X and ∠P lies on a straight line so it is a 180° :

∠P = 180° - ∠X (angle on a straight line is 180°)

= 180° - 92°

= 88°

(Hope this can help you out)

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