# Circle + square root - math problems

#### Number of problems found: 34

• Two parallel chords
In a circle 70 cm in diameter, two parallel chords are drawn so that the center of the circle lies between the chords. Calculate the distance of these chords if one of them is 42 cm long and the second 56 cm.
• Concentric circles and chord
In a circle with a diameter d = 10 cm, a chord with a length of 6 cm is constructed. What radius have the concentric circle while touch this chord?
• Suppose
Suppose you know that the length of a line segment is 15, x2=6, y2=14 and x1= -3. Find the possible value of y1. Is there more than one possible answer? Why or why not?
Find the radius of the circle with area S = 200 cm².
• Find parameters
Find parameters of the circle in the plane - coordinates of center and radius: ?
• Quarter circle
What is the radius of a circle inscribed in the quarter circle with a radius of 100 cm?
• Quarter of a circle
Calculate the circumference of a quarter circle if its content is S = 314 cm2.
• Circle chord
Calculate the length of the chord of the circle with radius r = 10 cm, length of which is equal to the distance from the center of the circle.
• Chord 5
It is given circle k / S; 5 cm /. Its chord MN is 3 cm away from the center of the circle . Calculate its length.
• Points on circle
In the Cartesian coordinate system with the origin O is a sketched circle k /O; r=2 cm/. Write all the points that lie on a circle k and whose coordinates are integers. Write all the points that lie on the circle I / O; r=5 cm / and whose coordinates are
• Rectangle
The rectangle is 18 cm long and 10 cm wide. Determine the diameter of the circle circumscribed to rectangle.
• Chord distance
The circle k (S, 6 cm), calculate the chord distance from the center circle S when the length of the chord is t = 10 cm.
• Chord AB
What is the length of the chord AB if its distance from the center S of the circle k(S, 92 cm) is 10 cm?
• Rectangle and circle
The rectangle ABCD has side lengths a = 40 mm and b = 30 mm and is circumscribed by a circle k. Calculate approximately how many cm is circle long.
• Chord 3
What is the radius of the circle where the chord is 2/3 of the radius from the center and has a length of 10 cm?
• Concentric circles
In the circle with diameter 19 cm is constructed chord 9 cm long. Calculate the radius of a concentric circle that touches this chord.
• The chord
Calculate a chord length which the distance from the center of the circle (S, 6 cm) equals 3 cm.
• Circles
Area of circle inscribed in a square is 14. What is the area of a circle circumscribed around a square?
• Pizza
Pizza with a diameter 50 cm have weight 559 g. What diameter will have a pizza weighing 855 g if it is make from the same cloth (same thickness....) and same decorated?
• Arc
Calculate span of the arc, which is part of a circle with diameter d = 20 m and its height is 6 m.

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