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deff fn [24]
3 years ago
12

A volcano in the approximate shape of a cone has a diameter of 16 km and a height of 1.95 km. Which estimate best approximates t

he volume of the volcano? Use 3.14 for pi and round to nearest whole number. Remember to show all calculations!
Mathematics
2 answers:
Delvig [45]3 years ago
8 0
Volume = 1/3 * pi * r^2 * h
             = 1/3 * pi * 8^2 * 1.5     ( radius = 1/2 diameter = 1/2 * 16 = 8)
             =  130.7 km^3 Answer
Leno4ka [110]3 years ago
7 0

Answer:

130.624km^{3}

Step-by-step explanation:

Given : A volcano in  shape of a cone has a diameter of 16 km and a height of 1.95 km.

To Find : Volume of Volcano.

Solution :

Since we are given that volcano is in shape of cone .

So, Formula of volume of cone : \frac{1}{3} \pi r^{2}h

Height = 1.95 km.

Diameter = 16 km

Radius (r) = Diameter/2 = 16/2 =8 km

π = 3.14

Substituting all values in formula

Volume of volcano:

= \frac{1}{3} *3.14 (8)^{2}*1.95

⇒ \frac{391.872}{3}

⇒ 130.624km^{3}

Thus , The volume of volcano is  130.624km^{3}  i.e. 131 cubic km. nearest to whole number


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