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A) What is the value of x?

B) What is the value of y?

C) What is the best classification for the triangle?

A) What is the value of x? B) What is the value of y? C) What is the best classification-example-1

1 Answer

4 votes

Answer: x = 14; y = 74; Isosceles and Acute

Step-by-step explanation: 3(x+7) = 3x + 21

Isosceles triangles have congruent base angles making 63 = 3x +21

Solve for x.

All angles of a triangle add up to 180 making y = 180 - 63 - 63.

Isosceles because two sides are congruent. And acute because all angles are under 90.

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