Circle + square - problems
- Annular area
The square with side a = 1 is inscribed and circumscribed by circles. Find the annular area.
- Square and circles
Square with sides 83 cm is circumscribed and inscribed with circles. Determine the radiuses of both circles.
- MO circles
Juro built the ABCD square with a 12 cm side. In this square, he scattered a quarter circle that had a center at point B passing through point A and a semicircle l that had a center at the center of the BC side and passed point B. He would still build a ci
Area of circle inscribed in a square is 14. What is the area of a circle circumscribed around a square?
- Squaring the Circle
Calculating side of the square with the same area as the circle of radius 18.
How much percent has changed (reduced) area of pipe cross-section, if circular shape changed to square with same perimeter?
- Square and circle
Into square is inscribed circle with diameter 10 cm.What is difference between circumference square and circle?
The log has diameter 30 cm. What's largest beam with a rectangular cross-section can carve from it?
- Round table
Round table with diameter d = 105 cm is coated by square tablecloth with a side length 121 cm. About how many cm is higher center of tablecloth than its cornes?
- Percentage of waste
In a square plate with side 75 cm we cut 4 same circles. Calculate the percentage of waste.
- Three shapes
1/5 of a circle is shaded. The ratio of area if square to the sum of area of rectangle and that of the circle is 1:2. 60% of the square is shaded and 1/3 of the rectangle is shaded. What is the ratio of the area of circle to that of the rectangle?
- Cutting circles
From the square 1 m side we have to cut the circles with a radius of 10 cm. How many discs we cut and how many percent will be waste?
To a semicircle with diameter 10 cm inscribe square. What is the length of square sides?
- Mrak - cloud
It is given segment AB of length 12 cm, where one side of the square MRAK laid on it. MRAK's side length 2 cm shown. MRAK gradually flips along the line segment AB the point R leaves a paper trail. Draw the whole track of point R until square can do the.
- Silver medal
To circular silver medal with a diameter of 10 cm is inscribed gold cross, which consists of five equal squares. What is the content area of silver part?
- Square circles
Calculate the length of the described and inscribed circle to the square ABCD with a side of 5cm.
Calculate the content of the shaded part of square with side 28 cm.
- Math heart
Stylized heart shape created from a square with side 5 cm and two semicircles over his sides. Calculate the content area and its circumference.
Calculate area of the quatrefoil which is inscribed in a square with side 6 cm.
- Circumscribed circle to square
Find the length of a circle circumscribing a square of side 10 cm. Compare it to the perimeter of this square.