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If a parallelogram has one angle measuring 60 degrees, what are the measures of
Practice Questions
Q1
If a parallelogram has one angle measuring 60 degrees, what are the measures of the other three angles?
60, 120, 60
60, 120, 120
60, 60, 120
120, 120, 60
Questions & Step-by-Step Solutions
If a parallelogram has one angle measuring 60 degrees, what are the measures of the other three angles?
Steps
Concepts
Step 1: Understand that a parallelogram has opposite angles that are equal.
Step 2: If one angle is 60 degrees, then the angle directly opposite it is also 60 degrees.
Step 3: Know that adjacent angles in a parallelogram are supplementary, meaning they add up to 180 degrees.
Step 4: To find the adjacent angles, subtract 60 degrees from 180 degrees: 180 - 60 = 120 degrees.
Step 5: Therefore, the two adjacent angles are both 120 degrees.
Properties of Parallelograms
– In a parallelogram, opposite angles are equal, and adjacent angles are supplementary (sum to 180 degrees).
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