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In the diagram below, AB is parallel to CD. What is the value of x?

A. 120
В. 80
с. 100
D. 60

In the diagram below, AB is parallel to CD. What is the value of x? A. 120 В. 80 с-example-1
User Gergely Bacso
by
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1 Answer

9 votes
9 votes

Answer:

120

Explanation:

By the rule of opposite angles, we can determine that x=120 because:

AB is parallel to CD

120 degree angle (let's call it Y) is on AB

X (we can see that it is obtuse) is on CD

So, Y is congruent to X, vice versa, so x=120

hope this helps! :)

ibrahim

User Chronium
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