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2 years ago

Find the volume of the cone. Diameter:14 m, Slant Height:25 m

Mathematics

2 answers:

BaLLatris [955]2 years ago

6 0

Answer:

1232m^3

Step-by-step explanation:

d = 14m

r = 7m

l = 25m

h = ?

h = root l^2- r^2

h = root 25^2- 7^2

h = root 625- 49

h = root 576

h = 24m

volume of cone = 1/3 pie r^2 h

= 1/3*22/7* 7*7*24

= 22*7*8

= 154*8

= 1232m^3

4vir4ik [10]2 years ago

4 0

Answer:

1231.5 m³

Step-by-step explanation:

You have to find the height first.

using the Pythagoras rule,

hypotaneous² = base² + height²

25² = 7² + h²

576 = h²

h = √576

h = 24

Volume of cone = 1/3 π r² h

= 1/3 * π* 7² * 24

= 1231.5 m³

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3 years ago

Mhanifa u helped me with this question.... U said it was 25 and its not so why is it wrong

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Hey I don't know who Mhanifa is but 25 is correct, and I will put the entire explanation to how to get the answer here.

First of all the 2 lines on the left and right side of the triangles are means that those 2 lines are equal and thus forming a isosceles triangle.

This means that the bottom right angle is also 2x+2 degrees.

Now because all 3 angles in a triangle adds to 180 degrees, we can set up equation.

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2 years ago

Find the volume of the cone. Diameter:14 m, Slant Height:25 m​

Find the volume of the cone. Diameter:14 m, Slant Height:25 m