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gregori [183]
3 years ago
9

The angles of a triangle are 80°, 2x + 2°, and 5x°.

Mathematics
2 answers:
Amiraneli [1.4K]3 years ago
6 0
80 + 2x+2 +5x = 180
7x = 180 - 80 - 2
7x = 198
x = 14
Bezzdna [24]3 years ago
5 0
The sum of interior of all angles in a triangle = 180
Given 3 angles = <span>80°, 2x + 2°, and 5x°
To find x:

</span><span>80°+  2x + 2 +  5x = 180
7x + 82 = 180
        7x = 98
          x = 14

answer
x = 14 </span>
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