Question

in an isosceles triangle the base angle is twice as large as vertex find the angle of triangle

Answer 1

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Answer 2

In an isosceles triangle the base angle is twice as large as vertex angle find the angles of the trian

In an isosceles triangle , base angles are equal

LET vertex angles be x
Then, Base angles will be 2x and 2x

SUM OF ANGLES OF TRIANGLE IS 180°.

Therefore,
2x + 2x + x = 180°
5x = 180°
=> x = 36°

ANSWER = 
VERTEX ANGLE = 36°
BASE ANGLES ARE EQUAL TO = 36° × 2 
= 72° & 72°