Mastering Angle Relationships: A 7th Grade Challenge

1. If angle A and angle B are complementary and angle A measures 35 degrees, what is the measure of angle B?

• 45 degrees

• 55 degrees

• 70 degrees

• 60 degrees

2. A straight line is formed by angles C and D. If angle C measures 120 degrees, what is the measure of angle D?

• 60 degrees

• 30 degrees

• 90 degrees

• 150 degrees

3. In a right triangle, one angle measures 45 degrees. What is the measure of the other non-right angle?

• 60 degrees

• 90 degrees

• 45 degrees

• 30 degrees

4. Two angles are supplementary. If one angle measures 70 degrees, what is the measure of the other angle?

• 120 degrees

• 110 degrees

• 100 degrees

• 90 degrees

5. A park has a triangular section where one angle measures 60 degrees and another measures 30 degrees. What is the measure of the third angle?

• 90 degrees

• 75 degrees

• 120 degrees

• 45 degrees

6. If angle E is 15 degrees less than its supplementary angle F, what are the measures of angles E and F?

• E: 90 degrees, F: 90 degrees

• E: 75 degrees, F: 105 degrees

• E: 60 degrees, F: 120 degrees

• E: 82.5 degrees, F: 97.5 degrees

7. A clock shows the hour hand at 3 and the minute hand at 12. What is the angle between the two hands? Are they complementary or supplementary?

• 120 degrees, complementary

• 180 degrees, supplementary

• 90 degrees, complementary

• 45 degrees, complementary

8. In a classroom, two students are sitting at angles of 40 degrees and 50 degrees to the wall. Are these angles complementary or supplementary?

• The angles are equal.

• The angles are complementary.

• The angles are obtuse.

• The angles are supplementary.

9. A triangle has angles measuring 70 degrees and 50 degrees. What is the measure of the third angle?

• 90 degrees

• 60 degrees

• 70 degrees

• 50 degrees

10. If angle G is 20 degrees more than its complementary angle H, what are the measures of angles G and H?

• G = 45 degrees, H = 45 degrees

• G = 50 degrees, H = 40 degrees

• G = 60 degrees, H = 30 degrees

• G = 55 degrees, H = 35 degrees