A bus stop is barricaded from the remaining part of the road by using

1.	A bus stop is barricaded from the remaining part of the road by using 50 hollow cones made up of recycled cardboard. Each cone has a diameter of 40cm and height 1m. If the outer side each of the cones is to be painted and the cost of painting is 12 rupee per meter square , what will be the cost of painting of all these cones?
Answer» Answer: please MARK me brainlest Step-by-step explanation: Given, R= 2 40 =20cm=0.2m h=1m l= h 2 +r 2 = 1 2 +0.2 2 = 1.04 =1.02m CSA =πrl=(3.14×0.2×1.02)m 2 =0.64m 2 CSA of 50 cones =50×0.64056 =32.028m 2 Cost of PAINTING 1m 2 area =Rs.12 Cost of painting 32.026m 2 area =Rs.32.028×12 =Rs.384.336≈Rs.384.34 by nivaskumar brainly app

A bus stop is barricaded from the remaining part of the road by using 50 hollow cones made up of recycled cardboard. Each cone has a diameter of 40cm and height 1m. If the outer side each of the cones is to be painted and the cost of painting is 12 rupee per meter square , what will be the cost of painting of all these cones?

Answer»

Answer:

please MARK me brainlest

Step-by-step explanation:

Given, R=

=20cm=0.2m

h=1m

+0.2

1.04

=1.02m

CSA =πrl=(3.14×0.2×1.02)m

=0.64m

CSA of 50 cones =50×0.64056

=32.028m

Cost of PAINTING 1m

area =Rs.12

Cost of painting 32.026m

area =Rs.32.028×12

=Rs.384.336≈Rs.384.34

by nivaskumar brainly app