the height of right circular cone is 16 cm and its base radius is 12cm. find tsa an volume
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Answer:given
Height -16
Radius -12
Volume of cone -1÷3 πr2h
1÷3 *22÷7 (12)(12) *16
Ans- 2413.7
Step-by-step explanation:
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Height (h) of cone = 16cm
Radius (r) of cone = 12cm
let the Slant height of cone = l
l = √h^2 + r^2
l = √16^2 + 12^2
l = 20Cm.
Total surface area of cone = π r (l + r)
= π × 12 ( 20 + 12)
= 384 π cm2
Volume of cone = 1 / 3 π r^2 h
1 / 3 π × 12 × 12 × 16
= 768 π cm3
Radius (r) of cone = 12cm
let the Slant height of cone = l
l = √h^2 + r^2
l = √16^2 + 12^2
l = 20Cm.
Total surface area of cone = π r (l + r)
= π × 12 ( 20 + 12)
= 384 π cm2
Volume of cone = 1 / 3 π r^2 h
1 / 3 π × 12 × 12 × 16
= 768 π cm3
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