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Sloan [31]
3 years ago
6

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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Step-by-step explanation:

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3 0
3 years ago
1.What are the values of the 6s in 36,621?
enot [183]
1) The value of 6s in 36,621 are 6,000 and 600.

first 6 is in the thousands place value while the second 6 is in the hundreds place value.
6 x 1000 = 6,000 and 6 x 100 = 600

2) The first 4 is ten times greater than the second 4 is shown in 354,426

the first 4 is in the thousands place value while the second 4 is in the hundreds place value
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based on the question the first 4, which is 4000, is ten times greater than the second 4, which is 400.
we can check if this statement is true either by dividing 4000 by ten or multiplying 400 by ten.

4000/10 = 400 ; 400 x 10 = 4000. therefor, out of the 4 numbers given, the correct one is 354,426

3) The relationship of the two 5s in 552 is shown in 500 ÷ 50 = 10

based on its place value, the first five is in the hundreds place and the second five is in the tens place.

500 ÷ 50 = 10. This equation states that 500 is ten times greater than 50.

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using place value, first 7 is in the tens place while second 7 is in the ones place.

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70 ÷ 7 = 10 times.


8 0
3 years ago
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