Question

In triangle ABC, find the value of x ​

Answer 1

Answer:

90 degree. = x

Step-by-step explanation:

54 + 54 =100

180-100=90

hence.....

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Answer 2

Answer:

x= 72

Step-by-step explanation:

Given AB = AC

If two sides of the triangle are equal then the the angles between them are also equal .

Angle B = 54° so Angle C = 54°

Sum of angles of triangle is 180°

So 54°+ 54°+ X = 180°

108°+ X = 180

X = 180 - 108°

X = 72°