Circle + expression of a variable from the formula - math problems
Number of problems found: 125
- Area of a circle
The circumference of the circle is 150.72 centimeters. Calculate the area of the circle.
- Circle - AG
Find the coordinates of circle and its diameter if its equation is: ?
- Circle r,D
Calculate the diameter and radius of the circle if it has length 26.59 cm.
- Circle's chords
In the circle there are two chord length 30 and 34 cm. The shorter one is from the center twice than longer chord. Determine the radius of the circle.
- Circle - simple
The circumference of a circle is 198 mm. How long in mm is its diameter?
- 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.
- Equation of circle 2
Find the equation of a circle that touches the axis of y at a distance of 4 from the origin and cuts off an intercept of length 6 on the axis x.
- Inscribed circle
A circle is inscribed at the bottom wall of the cube with an edge (a = 1). What is the radius of the spherical surface that contains this circle and one of the vertex of the top cube base?
- Inscribed circle
The circle inscribed in a triangle has a radius 3 cm. Express the area of the triangle using a, b, c.
- Circle annulus
There are 2 concentric circles in the figure. Chord of larger circle 10 cm long is tangent to the smaller circle. What are does annulus have?
- Hexagon in circle
Calculate the radius of a circle whose length is 10 cm greater than the circumference of a regular hexagon inscribed in this circle.
How big is an area of a circle if its circumference is 80.6 cm?
- Radius of the circle
Calculate the radius of the circle whose length is 107 cm larger than its diameter
- Concentric circles
There is given a Circle K with a radius r = 8 cm. How large must a radius have a smaller concentric circle that divides the circle K into two parts with the same area?
- Perimeter of the circle
Calculate the perimeter of the circle in dm, whose radius equals the side of the square containing 0.49 dm2?
- Equation of circle
find an equation of the circle with indicated properties: a. center at (-3,5), diameter 20. b. center at origin and diameter 16.
- Perimeter to area
Calculate the area of a circle with a perimeter of 15 meters.
- 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 Problems. Expression of a variable from the formula - math problems.