SOLUTION: The three angles 𝐴, 𝐵, and 𝐶 of the figure shown below are given by (7𝑥−40)∘, (5𝑥)∘, and (8𝑥)∘, respectively. What is the value of 𝑥 ?
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Question 1210553: The three angles 𝐴, 𝐵, and 𝐶 of the figure shown below are given by (7𝑥−40)∘, (5𝑥)∘, and (8𝑥)∘, respectively. What is the value of 𝑥 ?
Answer by greenestamps(13296) (Show Source): You can put this solution on YOUR website!
The sum of the angle measures of the three angles of any triangle is 180 degrees. Solve the problem using basic algebra.
(7x-40) + (5x) + (8x) = 180
20x-40 = 180
20x = 220
x = 220/20 = 11
ANSWER: 11
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