2 years ago

Solve for r in the diagram below. (x + 12) 100°

Mathematics

1 answer:

shusha [124]2 years ago

7 0

Answer:

x = 34

Step-by-step explanation:

The sum of the three angles is 180 since they make a straight line

x+12 + 100 +x = 180

Combine like terms

2x+112=180

Subtract 112 from each side

2x+112-112= 180-112

2x = 68

Divide by 2

2x/2 =68/2

x = 34

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