3 years ago

PLEASE HELP! 20 points!

Mathematics

1 answer:

andreyandreev [35.5K]3 years ago

6 0

Answer:

Step-by-step explanation:

The marks on both sides of the triangle shows that the sides are equal. This means that the triangle is an isosceles triangle.

This means that

x = 4

Also, in an isosceles triangle, the base angles are equal. Therefore, the sum of the base angles would be 2y.

The sum of angles in a triangle is 180 degrees. Therefore,

2y + 50 = 180

Subtracting 50 from both sides of the equation, it becomes

2y + 50 - 50 = 180 - 50 = 130

2y = 130

y = 130/2 = 65 degrees.

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