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Leona [35]
3 years ago
9

What is the value for y? Enter your answer in the box. y =

Mathematics
1 answer:
MArishka [77]3 years ago
8 0

The given triangle has two sides marked equal and hence is an isosceles triangle.In isosceles triangle base angles are equal <A=<B=50.

Sum of angles in any triangle is 180 degrees.

<A+<B+<C=180°

50+50+5y+10=180

Adding like terms :

110+5y=180

Subtracting 110 on both sides:

5y=70

Dividing both sides by 5:

y=14.

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