1.

The measure of one of the vertically opposite angles is 45° less han four times the measureof the other angle of the pair. Find the measure of both the angles6.

Answer»

Vertically opposite angles are equal, by property. Let the two angles be x and y.

We can form two equations.= x = y ---- 1= x = 45 - 4 y---- 2Substitute 1 in 2.

= x = 45 - 4 x = 5 x = 45= x = 9.Hence, y is also = 9.

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