Question

If you dont know the answer or get it wrong i will report​

Answer 1

I can only solve no.2

Explanation:

CAB=ABC(ISCOSCELES TRIANGLE)

SO REPRESENT THEM BY X BECAUSE YOU DON'T KNOW THEM

THEIR SUM =180

SO,CAB+ABC+ACB=180

SUBSTITUTE THEIR VALUES

X+X+120=180

2X+120=180

2X=180-120

2X=60

`(2x)/(2x) = (60)/(2 )`

cancel

so x is 30 degrees

Trust me