Question

If one angle of a triangle is equal to the sum of other two angles. than the triangle is:​

Answer 1

Answer:

right angle triangle

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Answer 2

Answer:

Right-angled triangle

Step-by-step explanation:

Let the angles be A, B and C.

By angle sum property of the triangle,

A + B + C = 180°

A + B = 180°-C____________(1)

According to question,

C = A+ B________________(2)

from (1)&(2),

C = 180°- C

C + C = 180°

2C = 180°

C = 90°

The triangle is right angled triangle.