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Black_prince [1.1K]
3 years ago
7

Solve for x and then find the measure of angle, A.

Mathematics
1 answer:
Rudik [331]3 years ago
5 0

Answer:

x = 8

The measure of angle A = 30°

Step-by-step explanation:

angle A and B are supplementary and their sum is 180°

6x - 18 + 14x + 38 = 180° add like terms

20x + 20 = 180

20x = 180 - 20

20x = 160 divide both sides by 20

x = 8 and the measure of angle A

6x - 18 ➡ 6 × 8 - 18 = 30°

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Step-by-step explanation:

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