Question

6. The sum of two angles of a triangle is equal to third
angle. Determine the measure of the third angle.​

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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