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Linear Pair

Find the valu...

Question

Find the value of x. Write the measure of BOC. 2x-10 and 3x plus 20 degrees

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Solution

Angle AOC +angle BOC =180...linear pair
(2x-10)+(3x+20)=180
5x+10=180
5x=170
x=34
angle AOC=2x - 10= 234-10 = 68 - 10 = 58 degrees
angle BOC =334 +20 = 102 + 20 = 122 degrees

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