# 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

- Clock hands

Calculate the internal angles of a triangle whose vertices lie on the clock's 2, 6 and 11 hours. - Percitipation - meteo

Do you have any tip for calc percitipation on a lnd ? Example on 2 ha falls to 5 mm, how many cubic meters is it? - Proof PT

Can you easily prove Pythagoras theorem using Euclidean theorems? If so, do it. - Leg and height

Solve right triangle with height v = 9.6 m and shorter cathetus b = 17.3 m. - Proof I

When added to the product of two consecutive integers larger one, we get square larger one. Is this true or not? - Circumference - a simple

What is the ratio of the circumference of any circle and its diameter? Write the result as a real number rounded to 2 decimal places. - Polygon 42

Which polygon has 42 more diagonals than sides? - Rotary motion

Find the orbital time, rotational frequency, and angular rate of the second and minute hands on the watch. - Pentagon

Calculate the area of a regular pentagon, which diagonal is u=16. - Logs

The log has diameter 30 cm. What's largest beam with a rectangular cross-section can carve from it? - Parallelogram

In the parallelogram we know one internal angle 67°33`. Calculate the other internal angles. - Circle - AG

Find the coordinates of circle and its diameter if its equation is: ? - Compass

What angle are between directions WSW (WestSouthWest) and SSE (SouthSouthEast) on the compass? - Cube diagonal

Determine the length of the cube diagonal with edge 37 mm. - Equation - inverse

Solve for x: 7: x = 14: 1000 - Thales

Calculate the length of the Thales' circle described to the right triangle with hypotenuse 44.2 cm. - Circle r,D

Calculate the diameter and radius of the circle if it has length 26.59 cm. - Right

Determine angles of the right triangle with the hypotenuse c and legs a, b, if: ? - Body diagonal

Calculate the length of the body diagonal of the 6cm cube. - Circle - simple

Calculate the area of a circle in dm^{2}if its circumference is 31.4 cm.

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