Question

A) A rectangle is 8.7 cm long and 5.4 broad.

(i) Find the perimeter of the rectangle.
(ii) Find the area of the rectangle.
b) A rectangular park is 20.35 m long and 17.84 wide.
(i) Find its perimeter,
(ii) Find its area
c) The area of a rectangular field is 937.125 m' and it is 36.75 m long.
(i) Find its breadth
(ii) Find its perimeter










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Answer 1

Explanation:

a)i) perimeter= side+side+side+side

perimeter=8.7+8.7+5.4+5.4=28.2cm

ii) area=h×b

area=8.7×5.4=46.98cm²

b)i) perimeter=20.35+20.35+17.84+17.84

perimeter=76.38cm

ii)area=20.35×17.84

area=363.044cm²

c) area of rectangular field=937.125m²

Length=36.75m

i)Breadth=937.125÷36.75=25.5m

ii)perimeter=36.75+36.75+25.5+25.5

perimeter=124.5m