1. ABCD and X are squares. Find the unshaded area of ABCD.
Length BC = 6 + 4 = 10
Area of ABCD = 10 x 10 = 100
Area of X= 6 x 6= 36
Area of unshaded area = 100 - 36 = 64
Ans: 64cm2
2. Find the area of the figure below.
3. Mat played a computer game for 2h 50 min. Then he took a 30 minutes rest before playing for another 45 minutes. The clock on the wall showed 1620. At what time did he start playing his computer game?
4. Sally jogged for 3h 40 min. Bobby jogged for 2h 50 min. Bobby stopped jogging at the same time as Sally. If he stopped jogging at 14 50, (a) at what time did he start jogging? (b) at what time did Sally start jogging?
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