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The angles of a triangle are 99°, 3x°, and x + 5°. What is the value of x? x = ?

The angles of a triangle are 99°, 3x°, and x + 5°. What is the value of x? x = ?
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The angles of a triangle are 99°, 3x°, and x + 5°.

What is the value of x?

x = ?

User Dtjmsy
by
8.1k points

1 Answer

7 votes
sum of interior angle of a triangle = 180
so
3x + x + 5 + 99 = 180
4x + 104 = 180
4x = 76
x = 19

answer
x = 19
User MohamedHarmoush
by
7.7k points
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