Question

find the value of x
​

Answer 1

Answer:

x=45°

(10√2)² = 10² + AB²

AB² = 200 - 100

AB = 10

Now since AB = BC

TRIANGLE ABC IS AN ISOSCELES TRIANGLE

THEREFORE,

ANGLE A = ANGLE C

A + B+ C = 180°

A + 90° + C = 180°

2A = 90°

A = 45°

Therefore,

x = 45°