"Using paper-mache, a student made a right circular hollow cone of height 15\$ \\mathrm { cm } \$ and radius of\nbase 8\$ \\mathrm { cm } . \$ He then has to paint this cone from both outside and inside both. Find the tota\nsurface area that has to be painted."

Open in App

Solution

Verified by Toppr

Was this answer helpful?

Similar Questions

Using paper-mache, a student made a right circular hollow cone of height 15 cm and radius of base 8 cm. He then has to paint this cone from outside and inside both. What is the total surface area that has to be painted ?

View Solution

a student made a right circular hollow cone of height 15 cm and radius of base 8 cm. He then has to paint this cone from outside and inside both. What is the total surface area that has to be painted ?

View Solution

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

50

hollow cones made of recycled cardboards. Each cone has a base diameter of

40 c m

and height

1 m

. If the outer side of each of the cones is to be painted and the cost of painting is

12

per

m^{2}

, what will be the cost of painting all these cones.

View Solution

A bus stop is barricaded from the remaining part of the road by using 50 hollow cones made of recycled cardboard. Each cone has a base diameter of 40 cm and height 1 m. If the outer side of each of the cones is to be painted and the cost of painting is Rs.12 per $m^{2}$ , what will be the cost of painting these cones? (Use $π = 3.14 a n d \sqrt{1.04} = 1.02)$

View Solution

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

50

hollow cones made of recycles cardboard. Each cone has a base diameter of

40 c m

and height

1 m

. If the outer side of each of the cones is to be painted and the cost of painting is

R s 12 p e r m^{2}

, what will be the cost of painting all these cones? (Use

π = 3.14

and take

\sqrt{1.04} = 1.02

)

View Solution

"Using paper-mache, a student made a right circular hollow cone of height 15\\( \\mathrm { cm } \\) and radius of\nbase 8\\( \\mathrm { cm } . \\) He then has to paint this cone from both outside and inside both. Find the tota\nsurface area that has to be painted."