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Two identical rectangles, ABCD and EF GH, each with area 13 cm2, overlap as
shown. The area of the overlapped region, rectangle EF CD, is 5 cm2. What is
the area of rectangle ABGH?

Two identical right-angled triangles, JKL and MLK, overlap along side KL, as shown. Sides JL and MK intersect at N.
The area of the overlapped region, 4KLN, is equal to half of the area of 4JKL. The area of the figure JKLMN is 48 cm2.

If JK = 6 cm, determine the length of KL.

Rectangle P QRS and 4P QT overlap so that R lies on QT, and RS intersects P T at U, as shown. The area of rectangle P QRS is 108 cm2, and the area of 4P QT is 81 cm2. If the area of the figure P QT US is 117 cm2, determine the area of the overlapped region, P QRU.