Quad Quad

Problem of the Week - December 06, 2021

Quad Quad Image

 Observe quadrilateral QUAD.  Angles QUA and ADQ are right angles and the measure of angle DQU is 120 degrees. If the length of side QU is 10 cm and side DQ is 40 cm, find the length of side AD.  Note, the figure is not drawn to scale.

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