Question

Solution : Radius of the base of the cylindrical kaleidoscope (r) = 3.5 cm.
to make aki
Height (length) of kaleidoscope (h) = 25 cm
Area of chart paper required = curved surface area of the Kaleidoscope
= 2arh
- 2x
x 3.5 x 25 cm
= 550 cm
7
Fig. 13.10
EXERCISE 13.2
22
Assume =
unless stated otherwise.
7
1. The curved surface area of a right circular cylinder of height 14 cm is 88 cm.
diameter of the base of the cylinder
It is required to make a closed cylindrical tank of height I m and base diameter​

Answer 1

Step-by-step explanation:

in above statement

where is the question