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Find the value of x A) 3 B) 14 C) 5 D) 2
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12 votes
Find the value of x
A) 3
B) 14
C) 5
D) 2

Find the value of x A) 3 B) 14 C) 5 D) 2-example-1
User Jazzybazz
by
3.6k points

1 Answer

11 votes

Answer:

C) 5

Explanation:

The measure of angle TSU is 75°. (180° - 105° because it is a flat angle)

The sum of all the angles of a triangle is 180° as well.

You can write an equation to solve for x.

12x + 9x + 75 = 180

Isolate x.

12x + 9x = 180 - 75

12x + 9x = 105

Add the 12 and the 9.

21x = 105

Find what x is.

x = 105 ÷ 21

x = 5

User Nelhage
by
3.0k points
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