Question

1.
Find the curved surface area and total surface area of a right circular cylinder
whose height is 15 cm and the radius of the base is 7 cm.
The diameter of the base of a right circular cylinder is 4.2 dm and its height 15
1 dm. Find the area of the curved surface in cm.
2
3.
The curved surface area of a cylinder is 1,320 cm and its base has a radius of
10.5 cm. Find the height of the cylinder.
The circumference of the base of a cylinder is 176 cm and its height is 65 cm. Find
its lateral surface area.
4.
Z
5. The radii of two cylinders are in the ratio 2: 3 and their heights are in the ratio
5:3. Calculate the ratio of their curved surface areas.
5. The outer diameter of a gas cylinder is 20 cm. Find the cost of the painting of its
outer curved surface at 4 per square centimetre if the height of the cylinder is
70 cm.
A cylindrical vessel, open at the top, has a radius 10 cm and height 14 cm. Find
the total surface area of the vessel. (Take it = 3.14)
The Tenth of
roller ir an cm and its diameter is 21 cm It takes 300 romplete​

Answer 1

HEY BUDDY

SORRY TO SAY BUT I CANT UNDERSTAND THE LAST QUESTION. I HAVE ANSWERED ALL QUESTIONS EXCEPT THE LAST ONE. HOPE IT HELPS YOU

THANK YOU