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Being a quadrilateral, the sum of all four angles is 360o.
Opposite angles of a parallelogram are equal.
Adjacent angles of a parallelogram are supplementary, that is add to 180o.
Given one angle of a parallelogram, the other 3 angles can be calculated:
- the opposite angle is the same;
- the other two angles are the same as each other and are 180o - the_given_angle
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Earn +20 ptsQ: How do you find missing angle of a parallelogram?
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How do you find the angle sum of a parallelogram?
angle sum of a parallelogram
Is a parallelogram with a right angle a square?
Yes a parallelogram with a right angle is a square.
Given parallelogram DEFG If the measure of angle D 57 find the measure of angle G?
216 is the angel of g
If ABCD is a parallelogram and the two diagonals are equal find the measure of angle ABC?
90 degrees - the parallelogram is a rectangle (or a square) if the diagonals are equal.
How do you find the missing angle measurement using the angle addition postulate?
The answer will depend on what the shape is!
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