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andrezito [222]
3 years ago
8

Find the area of the circle given the following information. Give the exact answer and an approximation to the nearest tenth.

Mathematics
2 answers:
MAVERICK [17]3 years ago
6 0

Answer:

Pi R square

so 36*3.14= 113.4

                 = 110in Square

mars1129 [50]3 years ago
4 0

Answer:

113.04

Step-by-step explanation:

A = 3.14 x r^2

= 3.14 x 6^2

= 3.14 x 36

36\pi

~ 113.04

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A 155 pound person burns about 500 calories per hour playing racquetball. one pound id equal to 3500.
yan [13]
Lets t time and c the calories burned p pound burns

p= c/t

155lb=500cal/1h

1lb= 3500 cal 

30-5 =25 min of workout 25/60= 5/12 hr

1/t=c/5/12

1 lb =3500 cal

500/1=c/5/12

c=208 cal

3500/t=208/(5/12)

3500/t=500

t= 7 min to burn 1 pound calorie


5 0
3 years ago
Read 2 more answers
Given: △ABC is equilateral. The radius of each circle is r. Find: AB
stich3 [128]

Answer:

2r (1 + √3)

Step-by-step explanation:

Circle O₁ is tangent to AB.  Let's call the point of intersection point D.  If we draw a radius from the center O₁ to D, we know this forms a right angle.

△ABC is an equilateral triangle, so we know m∠A = 60°.  If we draw a line from A to O₁, we know that bisects the angle, so m∠DAO₁ = 30°.

So △DAO₁ is a 30-60-90 triangle.  We can find the length AD:

AD = r √3

Now on the other side, circle O₃ is tangent to AB.  Let's call the point of intersection point E.  We know it's the same triangle we found earlier, so:

EB = r √3

And finally, we can draw a rectangle connecting O₁, O₃, E, and D.  The distance between O₁ and O₃ is 2r, so:

DE = 2r.

Therefore:

AB = r√3 + 2r + r√3

AB = 2r√3 + 2r

AB = 2r (1 + √3)

Here's a graph showing the steps.  Hopefully this helps, let me know if you have questions!

desmos.com/calculator/hgaonfzxsm

8 0
3 years ago
9. Use the quadratic formula to solve the equation.
Kryger [21]
You’re answer here is the third one
8 0
3 years ago
Read 2 more answers
The sector of a circle with a 12-inch radius has a central angle measure of 60°.
oksian1 [2.3K]

Answer: Area of sector in term of π is 24 in.².

Step-by-step explanation:

Since we have given that

Radius of the sector of a circle = 12 inch

Central angle = 60°

As we know the formula for "Area of sector":

Area=\frac{\theta}{360^\circ}\pi r^2\\\\Area=\frac{60}{360}\times \pi\times 12\times 12\\\\Area=24\pi\ inch^2

Hence, Area of sector in term of π is 24 in.².

8 0
3 years ago
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Enter a range if values for x.
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Answer:

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