Question

The angles of a triangle are 99??, 3x??, and x + 5??.

What is the value of x?




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x =

Answer 1

i just took the test and the answer is 19 !!!! good luck !

<3

Answer 2

Since we know a triangle only has 180 degrees we can say:

99+3x+x+5=180

Then we can solve for x:

4x+104=180
4x=76

x=19