Circle practice problems - page 3 of 50
Number of problems found: 989
- Round cake
What is the area of a round cake with a radius of 5cm? - Circle simple
The circumference of a circle is 6.28. What is the area of the circle? - Diameter to area
Find the area of the circle whose diameter is 26 cm. - Wheel diameter
A 1m diameter wheel rolled along a 100m long track. How many times did it turn? - Increase 4957
How does the area of a circle change if we double its radius? How many times does its area increase? - Clock
How long is the trajectory of the second hand of hours for day, if it is 15 mm long? - Circles
For the circle c1(S1; r1=109 cm) and c2(S2; r2 = 152 cm) is distance of centers |S1S2| = 261 cm. Determine the distance between the circles. - Illuminates 4961
The lamp illuminates a circle with a diameter of 10m. What area does the light illuminate? - Irrigates 4958
The water jet for welding the lawn reaches a distance of 1.8 m. How much is the lawn irrigated? - Determine 21053
Determine the radius of a circle whose length is 21.98 cm - Circumference circles
What is the circumference and area of the circle if r = 18cm - Bicycle wheel
After driving 157 m, the bicycle wheel rotates 100 times. What is the radius of the wheel in cm? - Circumference 8395
The circle's circumference is 321 dm larger than the diameter of the circle. What is the average? - Radius Determine the circle's radius if its perimeter and area are the same numbers.
- Cable
The cable consists of 5 strands, each strand consisting of 11 wires with a diameter of d = 0.3 mm. Calculate the cross-section of the cable. - Calculate 2948
Calculate the length of a circle with a diameter of 7 cm. - Different circles
Draw five circles with different radii. Measure the diameter of each circle and compare it to its radius. What is true about them? - 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? - Clock hands
The second hand has a length of 1.5 cm. How long does the endpoint of this hand travel in one day? - Tree trunk
Calculate the average tree trunk with a circumference of 192 cm.
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