Mathematics Grade 8 15 min

Find measures of complementary, supplementary, vertical, and adjacent angles

Find measures of complementary, supplementary, vertical, and adjacent angles

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1

Two angles are complementary. One is 40°. What is the other?

2

Two angles on a straight line are supplementary. One is 110°. Find the other.

3

Two lines intersect. One angle is 65°. What is the vertical angle opposite it?

Sample Practice Questions

Easy
An angle measures 30°. What is the measure of its complementary angle?
0.30°
1.60°
2.90°
3.150°
Easy
If two angles are complementary and one is 50°, what is the other?
0.40°
1.50°
2.90°
3.130°
Easy
An angle measures 100°. What is the measure of its supplementary angle?
0.10°
1.80°
2.90°
3.100°

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