The first angle of a triangle is 13 degrees more than the second angle the third angle of a triangle is 2 times the second angle use x to represent the unknown value write an algebraic expression for each of the quantities being compared what is the first angle the second angle and the third angle

Question

Mathematics

Brenna Jackson

21 December, 19:01

The first angle of a triangle is 13 degrees more than the second angle the third angle of a triangle is 2 times the second angle use x to represent the unknown value write an algebraic expression for each of the quantities being compared what is the first angle the second angle and the third angle

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Answers (1)

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Giana Rios · Answer 1

Second angle = x

First angle = 2x

Third angle = x + 68

x + 2x + (x + 68) = 180

4x + 68 = 180

4x = 112

x = 28.

First angle = 56 degrees

Second angle = 28 degrees

Third angle = 96 degrees

Total = 180 degrees.