Circle + expression of a variable from the formula - practice problems
Number of problems found: 246
- Circle inscribed square
What is the area of the circle that can be inscribed in a square of 10 cm?
- Two circles 3
Two circles are inscribed in a square whose side is 4 cm. Find the radius of the smaller circle.
- A cone 3
A cone has a diameter of x cm and a slant height of y cm. A square pyramid has a base side length of x cm and a slant height of y cm. Which has the greater surface area? Explain.
- A conical
A conical tent can accommodate 11 people. Each person needs 4 m² of space on the ground and 20 m³ of air to breathe. Find the height of the tent.
- Three inscribed objects
A circle is inscribed in a square. An equilateral triangle of side 4√3 is inscribed in that circle. Find the length of the diagonal of the square.
- Circle
What is the radius of the circle whose perimeter is 11 km?
- Perimeter to area
Calculate the area of a circle with a perimeter of 15 meters.
- Determine 21053
Determine the radius of a circle whose length is 21.98 cm
- Circumference 2951
What is the radius of a circle with a circumference of 28 cm?
- Area of a circle
The circumference of the circle is 150.72 centimeters. Calculate the area of the circle.
- Tree trunk
Calculate the average tree trunk with a circumference of 192 cm.
- Circumference 69934
You know the ratio of the circumference of the circle to the area is 4:9. What is the circle's diameter?
- Circumference 6929
Two-thirds of the circumference of the circle is 12π cm long. Calculate the area of the circle.
- Circle r,D
Calculate the diameter and radius of the circle if it has a length 26.59 cm.
- Circle - simple
The circumference of a circle is 683 mm. How long in mm is its diameter?
- Radius
Determine the circle's radius if its perimeter and area are the same numbers.
- School club
The sports club at school is attended by boys and three fewer girls than boys. How many girls attend the circle?
- Area to perimeter
Calculate the circle circumference if its area is 254.34cm2
- Circumference 3589
Calculate the circle's radius if the circumference and area are in a 2:5 ratio.
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