# GMAT Math : Calculating an angle of a line

## Example Questions

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### Example Question #1 : Calculating An Angle Of A Line

What is the measure of an angle complementary to a angle?      Explanation:

Complementary angles have degree measures that total , so the measure of an angle complementary to a angle would have measure .

### Example Question #2 : Calculating An Angle Of A Line

What is the measure of an angle congruent to a angle?      Explanation:

Two angles are congruent if they have the same degree measure, so an angle will be congruent to a angle if its measure is also .

### Example Question #3 : Calculating An Angle Of A Line

What is the measure of an angle supplementary to a angle?      Explanation:

Supplementary angles have degree measures that total , so the measure of an angle complementary to a angle would have measure .

### Example Question #4 : Calculating An Angle Of A Line

What is the measure of an angle that is supplementary to a angle?      Explanation:

Supplementary angles have degree measures that total , so an angle supplementary to would measure .

### Example Question #5 : Calculating An Angle Of A Line

What is the measure of an angle congruent to a angle?      Explanation:

Congruent angles have degree measures that are equal, so an angle congruent to is ### Example Question #6 : Calculating An Angle Of A Line

What is the measure of an angle that is complementary to a angle?      Explanation:

Complementary angles have degree measures that total , so an angle complementary to would measure .

### Example Question #7 : Calculating An Angle Of A Line

What is the measure of an angle that is supplementary to a angle?      Explanation:

Supplementary angles have degree measures that total . Since we have an angle, the supplementary angle would measure ### Example Question #8 : Calculating An Angle Of A Line

Which of the following angles is complementary to an angle?   Not enough information provided.  Explanation:

Complementary angles have degree measures that total . Since we have an angle, the supplementary angle would measure ### Example Question #9 : Calculating An Angle Of A Line

Which of the following angles is congruent to a angle?   Not enough information to solve.  Explanation:

Congruent angles have the same degree measure, so an angle congruent to a angle would also measure ### Example Question #10 : Calculating An Angle Of A Line

What is the measurement of an angle that is supplementary to a angle?      Two angles are supplementary if the total of their degree measures is . Therefore, an angle supplementary to a angle measures  