The blue paint bottle covers an area of 600cm2. Will one bottle be sufficient to paint the entire cylindrical block given below? [Use 𝜋 = 3.14]
Open in App
Solution
The diameter is 10 cm.
So the radius = 102=5cm
We have to find the surface area of the cylinder.
The surface area of cylinder = 2πr(r+h) =2×3.14 ×5(5+14) =596.6cm2
The calculated area is 596.6cm2.
The bottle can cover 600cm2, so blue paint will be sufficient for the cylinder.