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
2 answers:
Answer:
x = 6.5
Step-by-step explanation:
In a triangle, the sum of the measures of the angles equals 180 deg.
8x + 10x - 10 + 10x + 8 = 180
28x -2 = 180
28x = 182
x = 6.5
Answer:
x = 6.5
Step-by-step explanation:
The sum of the angles of a triangle is 180
8x+ 10x-10 + 10x +8 = 180
Combine like terms
28x -2 = 180
Add 2 to each side
28x-2+2 = 180+2
28x=182
Divide by 28
28x/28 = 182/28
x =6.5
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