# Planimetrics - math problems

Study 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. ? - Rhombus

Find the length of each side of rhombus if the perimeter is 89 cm long. - Square

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. - Road

The angle of a straight road is approximately 12 degrees. Determine the percentage of this road. - Mine

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? - Angle

Determine the size of the smallest internal angle of a right triangle which angles forming the successive members of the arithmetic sequence. - Hectares

The rectangular land is 350m long and 200m wide. Calculate the area in hectares. - Odometer

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? - Median

In the right triangle are sides a=96 dm b=31 dm. Calculate the length of the medians t_{c}to the hypotenuse. - Of the

Of the formula S = the surface of the cuboid S=2. (ab+ac+bc) express unknown c. C =? - Height

Calculate height of the equilateral triangle if its perimeter is 8? - Athlete

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. - Catheti

The hypotenuse of a right triangle is 41 and the sum of legs is 49. Calculate the length of its legs. - RPM

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 254.34cm^{2} - Bicycle wheel

Bicycle wheel diameter is 62 cm. How many times turns the bicycle on the road 1 km long?

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