trinityis trinityis

30-10-2020
Mathematics

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chandler1971 chandler1971

30-10-2020

X = 100 degrees

This is because the straight angle equals 180 degrees in total so to find the value of x you write the following equation

X + X -20 = 180 degrees
2x -20 = 180 degrees
+20 +20
2x = 200
Divide by 2 on both sides
X = 100

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