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What is the value of x?

What is the value of x?-example-1
User Andrei R
by
7.6k points

2 Answers

3 votes

we know that

An exterior angle is equal to the sum of the two non adjacent angles

so

In this problem


100\°=x\°+70\°

Solve for x

Subtract
70\° both sides


x\°+70\°-70\°=100\°-70\°


x\°=30\°

therefore

the answer is the option D


30\°

User Lize
by
8.3k points
4 votes
An exterior angle is equal to the sum of the 2 non adjacent angles. In this case

100 = x + 70 Subtract 70
x = 100 - 70
x = 30
User Maylin
by
8.5k points

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