Question

If the sum of two angles of a triangle is equal to its third angle, the
measure of the third angle is:
a. 100°
b. 45°
c. 90°
Od. 60°​

Answer 1

Answer:

Consider △ABC,

Then according to the given condition, ∠A=∠B+∠C

Sum of all the interior angles of the triangle is 180

o

Hence, ∠A+∠B+∠C=180

o

2∠A=180

o

⇒∠A=90

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Step-by-step explanation:

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