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What is the value of y?

Enter your answer in the box.

y =

What is the value of y? Enter your answer in the box. y =-example-1

1 Answer

3 votes
y = 5

angles b and c are equal
75 = 3(25) = 75
all angles of a triangle when added must equal 180
75+75= 150
180-150=30
angle A=30
to find angle a substitute 5 in y
4(5)+10=30

therefore, y=5
User JustinD
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