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2 years ago

What is the area of a circle with a radius of 13 millimeters? (Use 3.14 for Pi.)

Mathematics

1 answer:

ludmilkaskok [199]2 years ago

5 0

The area of a circle with radius of 13 millimeters is A≈530.93A=πr2=π·132≈530.92916

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Wittaler [7]

The Correct Answer Is 10

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2 years ago

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2 years ago

Please help with solving this problem....!!!

kifflom [539]

Answer:

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2 years ago

find an equation in slope intercept form of a line that passes through the point 2.2 and has a slope m is equal 0 also sketch th

Goshia [24]

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2 years ago

Karina is designing a logo on a coordinate plane. The logo is a square whose area is 200 square units. She places a circle in th

Katarina [22]

Answer:

Step-by-step explanation:

To find the percentage we must first find the area of the circle:

We can find the radius of the circle using the distance formula;

⇒ $d = \sqrt{(x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2}}$

⇒ $r = \sqrt{(6.3 - 0)^{2} + (1.6 - 0)^{2}}$

⇒ $r = 6.5$

Now we calculate the area;

⇒ $A = \pi r^{2}$

⇒ $A = \pi (6.5)^{2}$

⇒ $A = \frac{169}{4}\pi$

To get the percentage we divide the area of the circle by the square’s are and multiply by 100;

⇒ $Percentage = \frac{42.25\pi }{200} * 100$

⇒ $Percentage = 66 (2sf)$

5 0

1 year ago