Grade 10 Angle Rules Worksheet
This worksheet covers fundamental angle rules including complementary, supplementary, vertically opposite, and angles on parallel lines, suitable for Grade 10 math students.
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Grade 10 Angle Rules Worksheet
Name:
Date:
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Two angles are complementary if their sum is:
90 degrees
180 degrees
360 degrees
45 degrees
2. Which of the following pairs of angles are alternate interior angles?
Angles 1 and 5
Angles 3 and 6
Angles 2 and 7
Angles 4 and 8
3. Vertically opposite angles are .
4. When a transversal intersects two parallel lines, corresponding angles are .
5. In the diagram below, lines AB and CD are parallel, and line EF is a transversal. If angle AGE is 70 degrees, find the measure of angle GHD. Explain your reasoning.
6. An angle measures 55 degrees. What is the measure of its supplementary angle?
7. The sum of angles in a triangle is always 180 degrees.
True
False
8. All acute angles are complementary.
True
False
Match each angle rule with its description.
9. Corresponding Angles
a. Angles that add up to 180 degrees.
10. Supplementary Angles
b. Angles in the same relative position at each intersection.
11. Vertically Opposite Angles
c. Angles that are opposite each other when two lines intersect.
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