MATHEMATICS HIGH SCHOOL

Find the area of the circle in terms of pi. 20mAnswers
20 pi m^2
40 pi m^2
400pi m^2
200pi m^2

Answers

Answer 1
Answer: What is the area of a circle formula?

The area of a circle formula:
\pi r^2

So all you have to do...
is plug in 20 for r!

20 \pi ^2
20 x 20 is 400.
400 \pi

If you don't want pi...
400 x pi is about:
1256.64

The answer is (C).
Answer 2
Answer:

Final answer:

The area of the circle with a radius of 20m is 400π square meters.

Explanation:

The formula to find the area of a circle is π * radius2. Given that the radius is 20m, we can substitute it into the formula: Area = π * (20m)2. This simplifies to 400π m2. Therefore, the correct answer is 400π m2.

Learn more about Area of a Circle here:

brainly.com/question/28642423

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Find the solution of cos^2xsinx-3sinx=0

Answers

\cos^2 x\sin x-3\sin x=0\n\n \sin x\cdot (\cos^2 x-3)=0\n\n \begin{array}{rcl} \sin x=0&~\text{ or }~&\cos^2 x - 3=0\n\n \sin x=0&~\text{ or }~&\cos^2 x=3\n\n \sin x=0&~\text{ or }~&\cos x=\pm √(3) \end{array}


Since |\cos x|\le 1, the 2nd equation has no solutions for x. So

\sin x=0\n\n x=k\pi~~~~\text{where }k\text{ is an integer.}


Solution: S=\{x:~x=k\pi,~k\in\mathbb{Z}\}

Lauren Petus paid $27 for a dress that was 10% off the list price. What was the list price of the dress?

Answers

$30

27/0.90=30
I think this is right sorry if it’s not

In the figure below, m < 1 = 26° and m < 2 = 28°
Find m< WXZ.

m

Answers