Grade 10 Math: Linear Pair Angles
This worksheet focuses on understanding and applying the concept of linear pair angles, including solving for unknown angle measures.
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Grade 10 Math: Linear Pair Angles
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Read each question carefully and answer to the best of your ability. Show all your work for full credit.
What is a Linear Pair?
A linear pair of angles is a pair of adjacent angles formed when two lines intersect. The sum of the angles in a linear pair is always 180 degrees.
1. Which of the following statements is true about a linear pair of angles?
They are always congruent.
Their sum is 90 degrees.
They are supplementary.
They are complementary.
2. Angle A and Angle B form a linear pair. If the measure of Angle A is 75 degrees, what is the measure of Angle B?
3. If two angles form a linear pair, then they are .
4. The sum of the measures of a linear pair of angles is always degrees.
5. All adjacent angles form a linear pair.
True
False
6. Angles (3x + 10)° and (2x + 20)° form a linear pair. Find the value of x and the measure of each angle.