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vodka [1.7K]
3 years ago
11

In Triangle A B C, what is the value of x? Triangle A B C. Angle A is (10 x minus 10) degrees, angle B is (8 x) degrees, angle C

is (10 x + 8) degrees. 5.5 6.5 55 65
Mathematics
2 answers:
Naily [24]3 years ago
6 0

Answer:

x = 6.5

Step-by-step explanation:

Since all angles in a triangle adds up to 180°, we have:

10x - 10 + 10x + 8 + 8x = 180

28x - 2 = 180

28x = 182

x = 182/28 or 6.5

Eddi Din [679]3 years ago
5 0

Answer:

6.5

Step-by-step explanation:

Sum of three angles of triangle = 180

10x - 10 + 8x + 10x + 8 = 180

28x - 2 = 180

28x = 180 + 2

28x = 182

x = 182/28

x = 6.5

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