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3 years ago

What is the volume of a 2 by 4 by 8 rectangular prism?

Mathematics

1 answer:

Vladimir79 [104]3 years ago

3 0

Answer:

64 squared units

Step-by-step explanation:

2 x 4 x 8 = 64

Hope it's correct

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3 years ago

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Nezavi [6.7K]

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Step-by-step explanation:

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2 years ago

The area of a circle is 43.25cm2.<br> Find the length of the radius rounded to 2 DP.

Monica [59]

Answer:

3.71 cm

Step-by-step explanation:

Hi there!

Area of a circle equation: $A=\pi r^2$ where r is the radius

Plug in the area 43.25 cm²

$43.25=\pi r^2$

Divide both sides by π to isolate r²

$\frac{43.25}{\pi} =\frac{\pi r^2}{\pi} \\\frac{43.25}{\pi}=r^2$

Take the square root of both sides to isolate r

$\sqrt{\frac{43.25}{\pi}} =r\\3.71=r$

Therefore, the length of the radius rounded to 2 decimal points is 3.71 cm.

I hope this helps!

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2 years ago