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Answer: fig. 1 : 161 m²
fig. 2 : 2812 m²
Step-by-step explanation:
fig. 1 :-
area of shaded region = area of bigger rectangle - area of smaller rectangle
bigger rectangle :
l = 43m
b = 27m
area of bigger rectangle = l × b
= 43 × 27
= 1161 m²
smaller rectangle :
l = 43 - 1.5 - 1.5
= 40m
b = 27 - 1 - 1
= 25m
area of smaller rectangle = l × b
= 40 × 25
= 1000 m²
area of shaded region = 1161 - 1000
= 161 m²
fig. 2 :-
side of square = 40m
given space between the shaded squares = 2m, 3m
length of 2 rectangles = 40 - 2
= 38m
breath of 2 rectangles = 40 - 3
= 37m
area of 2 rectangles = l × b
= 38 × 37
= 1406 m²
area of 4 rectangles = 1406 × 2
= 2812 m²
∴ Area of shaded region = 2812 m²
Answer:
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