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If a right circular cone has radius 4 cm and slant height 5 cm then what is its volume?

Posted by Neshok Ls 5 years ago

CBSE > Class 09 > Mathematics

1 answers

Gaurav Seth 5 years ago

Answer:

50.28 or 352/7

Step-by-step explanation:

Given,

Slant height = 5 cm

Radius = 4 cm

Let Height be x cm

So for finding height we have to use Pythagorean Theorem,

(5)² = (4)² + (x)²

√25 -16 = x

√9 = x

so, x = 3

Height = 3 cm

Volume of Cone = 1/3πr²h

= 1/3×22/7×4×4×3

= (22×16)/7

= 352/7

If you make this fraction in decimal form answer is

50.28

0Thank You

ANSWER

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CBSE > Class 09 > Mathematics