If the volume of a cone of height 9cm is 48pie
Answers
Answer:
Volume of pipe - Πr^2h÷3
48Π =Πr^2×9÷3
ΠandΠ will cut
48×3÷9 =r^2
16. = r^2
r=4
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Answer:
VOLUME:
The space occupied by an object solid body is called the volume of the particular object solid body volume is always measured in cubic unit.
Volume of a liquid that can fill the interior of the hollow is called the capacity of the hollow object.
Right circular cone:
If a right angled triangle is revolved about one of the two sides forming a right angle keeping the other side fixed in position then the solid so obtained by segments is called right circular cone.
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Given:
Height (h) = 9 cm
Volume = 48π cm³
Let r be the radius of the base of the cone
Volume of a right Circular cone =1/3 πr²h
Volume of a right Circular cone = 48π cm³( Given)
1/3 πr²h = 48π
1/3 ×r² × 9 = 48
3r² = 48
r²= 48/3 = 16
r=√16
r = 4cm