The opposite angles of a parallelogram are (3x+5)°and (61-x)°. Find the measure of four angles
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opposite angles of a parlelogram are equal.
therefore,
3x + 5 = 61-x
3x + x = 61-5
4x = 56
x = 56/4
x = 14.
the angles are =
(3*14)+5 = 47°,
180 - ((3* 14)+5)= 180- 47 = 133°
therefore the angles are = 47°, 133°,47°,133°
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