a rectangular park is 45 m long and 30 m wide. a 2.5m wide path is constructed outside the park find the area of the park .also find the cosft of cementing at the rate of ₹150 per square metre
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Answered by
12
l = (2.5x 2) + 45
= 50
B =( 2.5 x 2) + 35
= 35
ar of park = 50 x 35
= 1750 cm ^2
ar of path = ar of big rectangle - ar of small rectangle
= ( 50 x 35 ) - ( 45 x 30 )
= 1750 - 1350 = 500
cost = 500 x 150
= 75,000 Rs
= 50
B =( 2.5 x 2) + 35
= 35
ar of park = 50 x 35
= 1750 cm ^2
ar of path = ar of big rectangle - ar of small rectangle
= ( 50 x 35 ) - ( 45 x 30 )
= 1750 - 1350 = 500
cost = 500 x 150
= 75,000 Rs
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17
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