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Gnom [1K]
3 years ago
10

Two angles of a triangle have the same measure and the third one is 21 degrees greater than the measure of each of the other two

. find the measure of the largest angle in the triangle.
Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
3 0
X + x + x+ 21 = 180
3x = 180 - 21
3x = 159
x = 159/3
x = 53°  ← the measure of <span>each of the smallest angles

53 + 21 = 74</span>°  ← the measure of the largest angle
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