4. Find the area of the shaded region.
80 m
5 m
5 m
60 m
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Answer:
1300m^2
Step-by-step explanation:
dimensions of inner rect. =80-10=70m and 60-10= 50m
area of shaded portion = area of outer rect. - area of inner rect.
area of shaded portion = (80×60 - 70×50)m^2
area of shaded portion = (4800 - 3500)m^2
area of shaded portion = 1300m^2