Question

A path 3m wide is running along the inside of the boundary of a rectangular field 116m by 76m. How much money is needed to gravel the path at rs. 42.50 per metre square?

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Answer 1

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Area of outer square=l*b=116*76=8816m sq

Area of inner square=166+3+3=122m

=76+3+3=82

=L*b

=122*82=10004m sq

Area of path=area of outer-inner square

=10004-8816=1188 m sq

Cost =1188*42.5=₹50490

Answer 2

Answer:

₹47430

Step-by-step explanation:

Area of whole plot = 116m × 76m

=

8816m square

Area of plot excluding path = (116-6) × (76-6)

= 7700m square

Area of only path = 8816 - 7700

= 1116 m square

Cost of gravel path = 1116 × 42.50

= ₹ 47430 ( ANS)

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