Please help me Solve for x. a) 30 b) 27 c) 33

Mathematics

1 answer:

OlgaM077 [116]3 years ago

4 0

Answer:

x = 27

Step-by-step explanation:

The angle at any point on a straight line is 180 degrees.

The middle line over there is creating a right angle which is 90 degrees.

This must mean that both sides are 90 degrees.

3x+9 = 90

3x = 81

x = 27

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