Question

ABCD is a parallelogram in which one angle is 120°. Find the other angle

Answer 1

Answer:

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Answer 2

Answer:

opposite angles of parallelogram are equal . so the 2 angles will be 240° .{120+120}.

we should find other 2 angles . so

240°+2x =360° (sum of interior angles of parallelogram)

2x = 360°-240°

2x = 120°

x = 120÷ 2

x =60°.

so angles of parallelogram are 120°,60°,120°,60°.