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A rectangular piece of paper ABCD is folded so that edge CD lies along edge AD making a crease DP. It is unfolded, and then folded again so that edge AB lies along edge AD making a second crease AQ.  The two creases meet at R, forming triangles PQR and ADR. If  AB = 6 cm and AD = 8 cm, what is the area of quadrilateral DQRC in cm^2?

 

 Nov 28, 2021
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try this.... https://www.cemc.uwaterloo.ca/events/mathcircles/2016-17/Fall/Junior78_Nov22_Soln.pdf    May i ask where you got this from?

 Nov 28, 2021
edited by Guest  Nov 28, 2021

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