Question

find the slant height of the cone whose radius is 5 cm and height 12 CM also find its curved surface area

Answer 1

this is your answer hope it helps you

Answer 2

The slant height of the cone is 13 cm and its curved surface area is 188.4 sq.cm.

Step-by-step explanation:

Radius of cone = r = 5 cm

Height of cone = h = 12 cm

Slant height =$l = \sqrt{h^2+r^2}$

Substitute the values in the formula :

$l = \sqrt{5^2+12^2}$

l=13

Curved surface area of cone= $\pi r l = 3.14 \times 5 \times 12 = 188.4 cm^2$

Hence the slant height of the cone is 13 cm and its curved surface area is 188.4 sq.cm.

#Learn more:

If the radius of cone is 5 cm and its height is 12 cm find the slant height of the cone

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