Each exterior angle = 360 / 40 = 9 degrees. So each interior angle = 180 - 9
= 171 degrees.
Answer:
3+4 = 5+2
Step-by-step explanation:
They equal each other when they are added up.
5x + 20 = 70
5x = 70 - 20
5x = 50
x = 50/5
x = 10
5(10) + 20 = 70
50 + 20 = 70
70 = 70
hope this helps :)
A isn't equal to 51 centimeters
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