As you already know, the area A of a circle of radius r is given by the equation: A = πr2 . This formula was investigated by Archimedes using the “method of exhaustion”. This method involves...

As you already know, the area A of a circle of radius r is given by the equation: A = πr2 . This formula was investigated by Archimedes using the “method of exhaustion”. This method involves...

Aaron creates a stacked cake comprised of three cylindrical sections as picture below, and plans to cover the top of each section with a different color icing. Each lower section is a total of two...

Width:20 Length: 12x+24 of all boards(rectangles). Target within board 1 measurements(rectangle): width 6x-3 length: 2x+4. target within board 2 measurements (circle): radius 6x. target...

I have a circumference of 28cm. I want to find the area. I know the formula for area but I'm getting stuck on the 28cm. Is that the diameter or radius? If the question was asking me to find the radius,...

Area of a circle

what is the approximate value of a 80 inch circle.

The Ratio of two circles is 2:5. The circumference of the large circle is 62.8 inches.

In order to know how many bricks to buy, the homeowner must know the distance around the outside of the pit. Calculate both the exact distance and the approximate distance. In order to know how much...

you have only four choices to choose from a.14 b.25. c.29 d.90 that is all the choices

we know that the circumference of the circle is 2(pi)r so if we draw lines from each point to the centre then we should get the area of the circle and it should be 2*(pi)*r*r , ;) instead of (pi)*r*r...

The formula for the area of a circle is A=πr^2(to the second power) where r is the length of the radius. (The figure in front of the R is pie) a. If the radius is given as 5x^3. (To...

A word problem of grade 9 geometry. It asks about area by giving the diameter and circumference.

Cake recipe makes a cake that is 6 inches in diameter and 2 inches high. If I use the same recipe but pour the batter into a round cake pan that is 8 inches in diameter, how tall will the cake be...

Please help this is a part of my practise test i am only seeing my teacher in 3 days and i would like to know how to do it or if i am doing it wrong

Sometimes Mac takes his labrador with him to work at his autobody shop he hooks aces card to a 60 foot chain mounted on the corner of the shop which is a 40 x 80' rectangular building east enjoys...

A wet bicycle tire leaves a trace of water on the floor. The tire has a radius of 14 inches, and the bicycle wheel makes 3 full rotations before stopping. How long is the trace of water left on the...

the diameter of a wheel car is 77cm. how many revolutions will it make to cover a distance of 72.6m?

A circular hot tub with diameter of 15ft sits inside a square platform that measures 20ft on a side to the nearest whole number what is the area of the platform surface around the tub

I am unsure how to solve using the degrees.

Equation for a circle is A=2πrh+2πr2 h=4r HINT: 'A' will end up on the right side of the equals sign