Mathematics
Grade 8
15 min
Identify complementary, supplementary, vertical, adjacent, and congruent angles
Identify complementary, supplementary, vertical, adjacent, and congruent angles
Tutorial Preview
1
Find the supplementary angle on a straight line.
2
Find the vertical angle from intersecting lines.
3
Find the complementary angle in a right angle.
Sample Practice Questions
Easy
A straight line angle (180°) is split into two. One angle is 120°. What is the other?
0.60°
1.120°
2.180°
3.240°
Easy
A right angle (90°) is split into two. One angle is 30°. What is the other?
0.30°
1.60°
2.90°
3.120°
Easy
Two lines cross. One angle is 80°. What is the angle directly opposite it?
0.10°
1.80°
2.100°
3.280°
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