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12-05-2021
Mathematics

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

What is the measure of cº A 75 B 15 C 30 D 45 class=

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Аноним Аноним

12-05-2021

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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