3 years ago

Does anyone know what the formula for the area of a circle is?

Mathematics

2 answers:

Sloan [31]3 years ago

8 0

Answer:

search up-area of circle formula and circumference of a circle formula

Step-by-step explanation:

eduard3 years ago

4 0

Answer:

area formula: πr²

circumference formula 2πr

Step-by-step explanation:

area is pi times the radius of the circle squared

circumference is two times pi times the radius of the circle

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FromTheMoon [43]

5ft is the answer to your question

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3 years ago

Can somebody please help

Afina-wow [57]

I think it’s d as well

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3 years ago

Which is an equation of a line through (7,1) and perpendicular to y=-x+3

zysi [14]

Answer:

The answer is y=-1x+8 or you can write it this way y=-x+8 either way will work fine.

Step-by-step explanation:

y=mx+b

m=-1

y-y=m(x-x¹)

y-1=-1(x-7)

y-1=-1x+7

+1 +1

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I hope this helps:)

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3 years ago

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OverLord2011 [107]

Answer:

-13

Step-by-step explanation:

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3 years ago

A triangle has sides with lengths of 60 feet, 63 feet, and 87 feet. Is it a right triangle?

Sedaia [141]

Answer:

Yes

Step-by-step explanation:

We can use the Pythagorean Theorem to check if this triangle is a right triangle:

$a^2+b^2=c^2$

Note that $a$ and $b$ are the legs of the triangle and $c$ is the hypotenuse:

Substitute the lengths of the sides into the equation:

$60^2+63^2=87^2$

$3600+3969=7569\\7569=7569$

Therefore this triangle is a right triangle.

3 0

2 years ago

Read 2 more answers