1.

Find the cost of polishing a circular tabletop that has a diameter of 7m if the cost of polishing is Rs 20 per square metre​

Answer»

Step-by-step EXPLANATION:

DIAMETER 7MTR

RADIUS= DIAMETER/2

= 7/2

= 3.5

POLISHING THE FLOOR = 3.5×4

= 14 MTR

= 14mtr × rs.20

= Rs. 280

Therefore, the cost of polishing the floor is rs.280 per SQ. mtr



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