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Question 1 of 5
Incorrect
Alternate Angles are equal.
We can see from the diagram that 31° and b are alternate angles, which means they are equal
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Question 2 of 5
Incorrect
Corresponding Angles are equal.
We can see from the diagram that 111° and x are corresponding angles, which means they are equal
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Question 3 of 5
Incorrect
Corresponding Angles are equal.
We can see from the diagram that 89° and x are corresponding angles, which means they are equal
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Question 4 of 5
Incorrect
Vertically Opposite Angles
Corresponding Angles are equal.
Vertically Opposite Angles are equal.
Let the angle corresponding to of 84° be x. Notice that x is vertically-opposite to y.
First, we can see from the diagram that 84° and x are corresponding angles, which means they are equal
Finally, we can see that angle x is vertically opposite to angle y
Since vertically opposite angles are equal, ∠ y=84°
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Question 5 of 5
Incorrect
Co-Interior Angles are when two angles have a sum of 180°.
To solve for x, add it to 130° and set their sum to 180°.
We can see from the diagram that 130° and x are co-interior angles, which add up to 180°
Since co-interior angles add to 180°, add the angle measures and set their sum to 180°. Then, solve for the value of x.
| x+130 |
= |
180 |
| x+130 -130 |
= |
180 -130 |
Subtract 130 from both sides |
| x |
= |
50° |
