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tekilochka [14]
3 years ago
7

The measures of the angles of a triangle are shown in the figure below. Solve for x. (7x-12)° 60° O here to search​

Mathematics
1 answer:
Andrei [34K]3 years ago
4 0

Answer:

x = 6

Step-by-step explanation:

Based on the triangle sum theorem, the sum of the interior angles of a triangle = 180°

Given the following, right angle (90°), 60°, and (7x - 12)° as interior angles of the triangle, therefore:

7x - 12 + 90 + 60 = 180

Add like terms

7x + 138 = 180

7x + 138 - 138 = 180 - 138 (subtraction property of equality)

7x = 42

7x/7 = 42/7 (division property of equality)

x = 6

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