y=40⁰
x=35⁰
Step-by-step explanation:
y⁰=40⁰ (because they are vertically opposite.)
2 of the triangles are isosceles triangle, in isosceles triangle the 2 bottom angles are the same.
The sum of a triangle is 180⁰,
180⁰=2x+2x+40⁰
180⁰=4x+40⁰
180-40=4x
140⁰=4x
140/4=x
x=35⁰
To check your answer,
2(35)+2(35)+40=180⁰
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