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3 years ago

FIND THE VOLUME OF A CONE 0F DIAMETER 14M AND HEIGHT 21CM. (TAKE = 3 )

Mathematics

1 answer:

Ksenya-84 [330]3 years ago

6 0

Answer:

343π

Step-by-step explanation:

To find the volume of a cone, we have to use this formula

$\frac{1}{3}$ × π × r² × h

Where 'r' is the radius and 'h' is the height

Let's start putting in the value's

We have diameter but in the formula we need the radius so we half the diameter to get the radius so 14 ÷ 2 = 7

$\frac{1}{3}$ × π × r² × h

$\frac{1}{3}$ × π × 7² × 21

→ Simplify the expression

$\frac{1}{3}$ × π × 49 × 21

→ Simplify it further

343π

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3 years ago

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3 years ago

At a preschool 16 of the students are four years old of a four year olds 3/8 attended the full day program how many other studen

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Answer:

6 students at the preschool of four years old attended the full day program.

Step-by-step explanation:

Given:

Number of four years old students = 16

fraction of four years old students attended full day program = $\frac{3}{8}$

We need to find the number of four years old students attended the full day program.

Solution:

Now we can say that;

number of four years old students attended the full day program is equal to fraction of four years old students attended full day program multiplied by Number of four years old students.

framing in equation form we get;

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