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kvv77 [185]
3 years ago
6

Two angles of a triangle are the same size. The third angle is 3 times as large

Mathematics
1 answer:
Gnoma [55]3 years ago
3 0
Use x to represent the first two angles. If the third angle is 3 times as large as the first, it can be represented as 3x. So, your angles are x, x, and 3x. These need to all add to 180 degrees, since it’s a triangle.

x + x + 3x = 180 —> Simplify the left side.
5x = 180 —> Divide by 5.
x = 36

So the first two angles are 36 degrees, and the third angle is 3 times that, which is 108 degrees.
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