Perimeter - 6th grade (11y) - math problems
Number of examples found: 87
- The diameter
The diameter of a circle is 4 feet. What is the circle's circumference?
- Rectangle 45
The perimeter of a rectangle is 60cm. If the length of the rectangle is 20cm. a)find the width b)find the area.
- Circle - simple
The circumference of a circle is 198 mm. How long in mm is its diameter?
How long length run athlete when the track is circular shape of radius 120 meters and an athlete runs five times in the circuit?
How big is area of circle if its circumference is 80.6 cm?
- Perimeter of square
The square has a circumference 17cm. What is its area?
- Ratio of perimeters
Rectangle ABCD has dimensions 3 cm and 4 cm, KLMN rectangle has dimensions 4 cm and 12 cm. Calculate the ratio of the perimeter ABCD and perimeter KLMN.
The rectangle area is 182 dm2, its base is 14 dm. How long is the other side? Calculate its perimeter.
- An equilateral triangle
The perimeter of an equilateral triangle is 33cm. How long is each side?
The odometer is driven by rotation of the wheel whose diameter is 65 cm. After how many rotations the wheel turns counter to next kilometer?
Calculate perimeter of the rectangle with sides a=2.4 m and b=1.9 m.
- Area of square
Calculate the content area of the square whose perimeter is 24 dm.
Rope with a bucket is fixed on the shaft with the wheel. The shaft has a diameter 50 cm. How many meters will drop bucket when the wheels turn 15 times?
- Circle simple
Circumference of a circle is 6.28. What is the area of the circle?
- Quarter circular
The wire that is hooked around the perimeter of quarter-circular arc has length 3π+12. Determine the radius of circle arc.
- Do you solve this?
Determine area S of rectangle and length of its sides if its perimeter is 102 cm.
- Bicycle wheel
After driving 157 m bicycle wheel rotates 100 times. What is the radius of the wheel in cm?
How many different rectangles with sides integers (in mm) have a circumference exactly 1000 cm?
Rectangular floor of living room has a length 5.4 meters and a circumference 17.2 meters. What is its width?
- Perimeter from area
What is the perimeter of the square if its content is 64 cm2?