Question

I need help, finding the value of x

Answer 1

its 180-40=140

Answer 2

thats at least the first step

Answer 3

its not given that two angles are equal

Answer 4

yes it is

Answer 5

can you draw an isosleces triangle that doesnt have 2 angles that are equal?

Answer 6

so, 180 = a+y+y

180-a = 2y

(180-a)/2 = y

x+y = 180

x = 180 - y

x = 180 - (180 - a)/2

Answer 7

Okay so 180= 40 +2y
140= 2y
y=70

Answer 8

x+70 = 180
x= 110
correct?

Answer 9

yes :)