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Paha777 [63]
2 years ago
13

What is the measure of cº? A. 7.5° B. 15 C. 30° D. 45

Mathematics
1 answer:
mylen [45]2 years ago
6 0

Answer:

x = 15

Step-by-step explanation:

The sum of the angles in a triangle is 180º

3x + 5x + 4x = 180

Combine like terms

12x = 180

Divide both sides by 12

x = 15

C = 5x

C = 5 * 15

C = 75º

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