Question

9. If one angle of triangle is equal to the sum of other two angles, then the triangle
is -
a. Scalene triangle
b.Isosceles triangle
c. Right triangle
d. None of these​

Answer 1

Step-by-step explanation:

In △ABC,

∠A=∠B+∠C

Now, sum of angles = 180

∠A+∠B+∠C=180

∠A+∠A=180

∠A=90

∘

Thus, △ABC, is a right angled triangle.

Answer 2

Answer:

Ans. (c) Right triangle

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