Question

Find the value of x.​

Answer 1

Step-by-step explanation:

we will use some tactics

triangle ABC is equilateral so it's every angle is 60

angle ACB = 60

angle CAB = 60

angle ABC = 60

now we find angles of other triangle

angle ACD = 180-60= 120 (forms a linear pair)

Angle CAD = X (iscoscales triangle have two angles of same measure)

X+X+120=180 (angle sum property of triangle)

2x+120=180

2x = 180-120=60

X = 60÷2

X = 30

HOPE IT HELPS