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2 years ago

I don't understand how to do this. please help.

Mathematics

2 answers:

Darina [25.2K]2 years ago

6 0

Answer:

use the formula to find area, then multiply by the leingth, so 18 in your case. Also, the formula for area is A=(pi)r squared

Step-by-step explanation:

hope this helps

ira [324]2 years ago

5 0

Answer:

B. 3,052.08

Step-by-step explanation:

Radius:

r=d/2

r=18/2

r=9

Volume of Sphere:

V=(4/3)π $r^{3}$

V=(4/3)(3.14) $9^{3}$

V=(4/3)(3.14)729

V=(4/3)2289.06

V=3052.08

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3 years ago

What radius of a circle is required to inscribe an equilateral triangle with an area of 35.074 in2 and an altitude of 7.794 in?

levacccp [35]

Answer:

Step-by-step explanation:

firstly, we will draw diagram

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2 years ago

Help Please & thanks!

Travka [436]

Answer:

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Step-by-step explanation:

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3 0

3 years ago

Help me with math please.

djverab [1.8K]

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2 years ago

What is the number of ways to arrange 5 objects from a set of 9 different objects

luda_lava [24]

$\bf _nP_r=\cfrac{n!}{(n-r)!}\qquad 
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3 years ago

I don't understand how to do this. please help. ​

I don't understand how to do this. please help.