# Practice problems of the circle

#### Number of problems found: 826

- For each

For each pair of expressions, circle the greater product without finding the product. (write 1=left expr, 2=right expr) a. 3/4 x 2/3 and 3/4 x 1/2 b. 2/3 x 3 1/4 and 4/3 x 3 1/4 c. 3/8 x 3/8 and 3/8 x 1/2 - Aluminum 72964

The aluminum disc has a diameter of 96 mm. 10 discs are cut from a sheet metal sheet 1 m long and 10 cm wide. What% is waste? - Treadmill 70904

The runner circled the track 3 times. If he went around it once more, he would run 1km. What is the radius of the treadmill? - Circumference 69934

If you know that the ratio of the circumference of the circle to the area of the circle is 4: 9 Then the diameter of the circle is: - Baking a cake

Christy is baking a cake that has a 9 inch diameter. She wants to cover the top of the cake with butter cream icing. How much icing will she need? - Circumference 65134

Circle K has a radius of 130 mm, and circle L has a diameter of 50 mm. By how many millimeters is the circumference of circle K greater than the circumference of circle L? Round the result to a whole number. Use the value π= 3.14 in the calculations. - Attended 63784

The math circle is attended by h = 10 boys and k = 5 girls. a) How many students go to the ring? b) How many students are in the ring if five girls and three boys are missing - Circumference 62124

The wheel circumference of the truck is 2 meters. The car covered a distance of 20km. How many times did the wheel have to turn? - The crane

The construction crane has a 20m long arm. What area of construction in ares can it handle from this crane if it rotates around its axis? - The formula

The formula for the area of a circle is (Pi x r x r) where r = measure of the radius and Pi = 3.14. What is the area of a circle whose radius measures 1 cm? - The ratio

The ratio of the lengths of the two circles is 5: 2. Find the ratio of a a) the radii of these circles b) the areas for these circles - Determine 58963

The field has the shape of a circle. If he wants to run 800m, Honza has to go around the field 2.5 times. Determine the diameter of the pitch for the whole meter - The tire

The tire of a car has a radius of 10.5 inches. How many revolutions does the tire need to make for the car to travel 13,200 inches? Round to the nearest whole revolution. - Rewrite

Rewrite the following as a division statement if there are eight cakes and each person gets 1/12 of a cake, how many people get cake? - The spinner

The spinner below is spun 12 times. It landed on I 4 times, II 7 times, and III 1 time. What is the difference between the experimental and theoretical probabilities of landing on the II? - One ball

One ball of dough can be stretched into a circle to make a pizza. After the pizza is cooked, it is cut into 8 equal slices. How many slices of pizza can you make with 3 balls of dough? Solve this problem any way you choose. - Round cake

What is the area of a round cake with a radius of 5cm? - Pumpkin pie

Have some pumpkin pie. One half of the pie is cut into 4 equal slices, the other half is cut into 3 equal slices. After eating one of the larger slices (on the 3 piece side), I wonder if I will eat more if I have one more from the 3 side, or two from the - Steering 49363

The steering wheel has a diameter of 40 cm. It is acted upon by a pair of forces with a torque of 27 newton meters. How much force does it exert on each side of the steering wheel? - Calculate 48613

Calculate the radius of the circle if its diameter is 16.2 cm. Express the result in meters.

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