The area of a shape of circle problems - page 2 of 19
Number of problems found: 375
- 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? - Circle simple
The circumference of a circle is 6.28. What is the area of the circle? - Annulus
The radius of the larger circle is 8cm, and the radius of the smaller is 5cm. Calculate the area of the annulus. - Diameter to area
Find the area of the circle whose diameter is 26 cm. - Described 83448
A square is described as a circle with a radius of 6 cm. How much larger is the area of the square than the area of the circle? - 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 - Quatrefoil
Calculate the quatrefoil area, inscribed in a square with a side of 6 cm.
- Circle - easy 2
The circle has a radius of 6 cm. Calculate its diameter, perimeter, and area: - Circumference of a circle
Calculate the area of a circle if its circumference is 21.98 dm. Express the result in square decimetres. - Perimeter to area
Calculate the area of a circle with a perimeter of 15 meters. - Irrigates 4958
The water jet for welding the lawn reaches a distance of 1.8 m. How much is the lawn irrigated? - Annular area
The square with side a = 1 is inscribed and circumscribed by circles. Find the annular area. - Illuminates 4961
The lamp illuminates a circle with a diameter of 10m. What area does the light illuminate? - Increase 4957
How does the area of a circle change if we double its radius? How many times does its area increase? - Diameter
The diameter of a circular plot is 14 dm. Find the circumference and area.
- Annulus
Calculate the area of two circles annulus k1 (S, 3 cm) and k2 (S, 5 cm). - Squaring the Circle
Find the side of the square with the same area as the circle of radius 9. - Baking a cake
Christy is baking a cake that has a 9-inch diameter. She wants to cover the top of the cake with buttercream icing. How much icing will she need? - Cable
The cable consists of 8 strands, each strand consisting of 12 wires with a diameter of d = 0.5 mm. Calculate the cross-section of the cable. - Percentage 58703
In the park, with an area of 1413 m2, there is a circular fountain with a diameter of 6 m. What percentage of the park does the fountain occupy?
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Examples of area of plane shapes. Circle practice problems.
