Unit Assessment - THE LOVE WEDDING SHOOT

[JMO 2011 A2] Two rectangles measuring 6 cm × 7 cm and 8 cm × 9 cm overlap as shown. The region shaded grey has an area of 32 cm2. What is the area of the black region? [JMC 2000 Q12] Four rectangular paper strips, each measuring 10cm by 1cm, are laid flat on a table. Each strip is at right angles to two of the other strips as shown. ................
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