Question
The area of a square field is 576m2. Find [4 MARKS]
(i) The length of its sides
(ii) The length of its perimeter
(iii) Cost of fixing a fence along the boundary of the field at the rate of Rs 3.20 per metre.
Answer: Option A
:
Steps: 2 Marks
Formula: 1 Mark
Answer: 1 Mark
(i) Let l be the length of the square
⇒ Area of square = l2
⇒l2=576
⇒l=24 m
(ii) Perimeter of square = 4l
⇒4×(24)=96 m
(iii) Cost of fixing a fence
=₹(96×3.20)=₹307.20
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:
Steps: 2 Marks
Formula: 1 Mark
Answer: 1 Mark
(i) Let l be the length of the square
⇒ Area of square = l2
⇒l2=576
⇒l=24 m
(ii) Perimeter of square = 4l
⇒4×(24)=96 m
(iii) Cost of fixing a fence
=₹(96×3.20)=₹307.20
Was this answer helpful ?
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