Question

A circular flower bed has a daimeter of 3 m a metal boundary costing rupees 25 per m is to be placed around it question How much would this boundary cost 7th class math Questions

Answer 1

FIRST OF ALL WE FIND CIRCUMFERENCE OF

CIRCLE AND IS EQUAL TO

= 2πR

= 6π

= 18.84m

NOW COST FOR 1 METER IS EQUAL TO = 25₹

SO COST FOR 18.84 METERS IS EQUAL TO = ?

= 18.84 × 25 / 1

= 470 + 1 (rupiya Shagun ka)

SO ANSWER IS 471₹

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