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Answers
Answer:
Step-by-step explanation:
II) Circumference of the flower bed = 3.6m =360cm
Length of brick = 30cm
Number of bricks needed to border the flower bed= (Circumference of flower bed/Length of brick)
=360/30
=12 bricks ( ans )
III) Length of the wire = 8.7M = 870 Cm
Pieces cut = 6
Length of each piece = 870/6 = 145 cm each ( ans )
IV) Length of the rectangular park = 6.7 m = 670 cm
Breadth of the rectangular park = 85 cm
Perimeter = 2 (L+B) = 2 (870+85) = 2x955 = 1910 cm i.e. 19.1 m
Area = L x B = 870x85 = 73950 sq. cm i.e. 739.5 sq m ( ans )
V) i. 3.5 m = 3.5/1000 km = 0.0035 km
ii. 44.5 cm = 44.5/100 m = 0.445 m
iii. 8105 m = 8105/1000 km = 8.105 km
Hope this helped :)
Step-by-step explanation:
1. length of bricks = 30cm
Circumference = 3.6m = 360cm
No of bricks = 360÷30=12
hence , 12 bricks needed .
2. length of wire = 8.7m = 870cm
No of pieces to be divided in = 6
Length of each pieces = 870÷6=145
hence , length of each pieces is 145cm .
3. breadth =85cm= 0.85m
length = 6.7m
perimeter = 2(0.85+6.7)
= 2×7.55m
= 15.1 m
area = (6.7×0.85)m
= 5.695m
4. 3.45m=0.00345km
44.5cm= 0.445m
8105m= 8.105km