In a parallelogram ABCD. ANGLE A =70°, find all the other angles
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In a parallelogram ABCD if angle a is 70 degree find other angles. 120-10= 110 degree. The sum of the angles of a parallelogram is 360 degrees. At least two angles will be the same unless one angle is of measure 90 degrees (in which case all four are 90). Hence, the remaining angles are 70 degrees and 2 110 degree angles.
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Step-by-step explanation:
Opposite interior angles of a parallelogram are equal
<A=<C=70 degree
Sum of the angles of a parallelogram is 180 degrees
that is 70+70+2x=360
here 2x is the sum of two unknown opposite interior angles
140+2x=360
2x=220
x=110
<B=<D=110
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