Question

The circumference of the base of a right circular cone is 44 cm and its slant height is 14 cm. Its curved surface area is:

Answer 1

EXPLANATION.

• GIVEN

circumference of the base of a right circular

cone = 44 cm

slant height is = 14 cm

Find it's curved surface area

circumference of the base =

2πr = 44

πr = 22

22 / 7 X r = 22

r = 7 cm

curved surface area of cone = πrl

$\frac{22}{7} \times 7 \: \times 14$

$308 \: cm {}^{2}$

Therefore,

curved surface area = 308 cm^2

Answer 2

Answer:

Step-by-step explanation:

Circumference of the base height = 44cm

2π * r = 44 cm

2π * r = 22 cm

Curved surface area= π * r * l

22 * 10 = 220 cm^2

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