Question

Two angles in a triangle are in the ratio 7:8. If the sum of these angles is equal to the third angle, then the third angle is​

Answer 1

Answer:

The third angle is 90°

Step by step explanation:

We know that the sum of the angles of triangle is 180°

The two angles in a triangle is in the ratio of 7:8

Also, sum of these two angles are equal to the third angle, so third angle must be half of the sum total.

90+7x+8x = 180

15x = 90

x=6

First angle =42

Second angle = 48

Their sum is 90 which is equal to the third angle.

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