Planimetrics - math problemsStudy plane measurements, including angles, distances, and areas. In other words - measurement and calculation of shapes in the plane. Perimeter and area of plane shapes.
Number of problems found: 2136
- Parabola 3
Find the equation of a parabola with its focus at (0,2) and its vertex at the origin. ?
Find the length of each side of rhombus if the perimeter is 89 cm long.
Calculate area of the square with diagonal 64 cm.
- Circle simple
Circumference of a circle is 6.28. What is the area of the circle?
- Angles in triangle
Calculate the alpha angle in the triangle if beta is 61 degrees and 98 gamma degrees.
The angle of a straight road is approximately 12 degrees. Determine the percentage of this road.
Wheel in traction tower has a diameter 4 m. How many meters will perform an elevator cabin if wheel rotates in the same direction 89 times?
Determine the size of the smallest internal angle of a right triangle which angles forming the successive members of the arithmetic sequence.
The rectangular land is 350m long and 200m wide. Calculate the area in hectares.
The odometer is driven by the rotation of the wheel, whose diameter is 65 cm. After how many rotations, the wheel turns counter to the next kilometer?
In the right triangle are sides a=96 dm b=31 dm. Calculate the length of the medians tc to the hypotenuse.
- Of the
Of the formula S = the surface of the cuboid S=2. (ab+ac+bc) express unknown c. C =?
Calculate height of the equilateral triangle if its perimeter is 8?
How long length run athlete when the track is circular shape of radius 120 meters and an athlete runs five times in the circuit?
- Area of a circle
The circumference of the circle is 150.72 centimeters. Calculate the area of the circle.
The hypotenuse of a right triangle is 41 and the sum of legs is 49. Calculate the length of its legs.
An electric motor makes 3,000 revolutions per minutes. How many degrees does it rotate in one second?
- Equilateral triangle v2
Equilateral triangle has a perimeter 36 dm. What is its area?
- Area to perimeter
Calculate circle circumference if its area is 254.34cm2
- Bicycle wheel
Bicycle wheel diameter is 62 cm. How many times turns the bicycle on the road 1 km long?
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