# 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: 2080

- Rectangular trapezoid

How many inner right angles have a rectangular trapezoid? - 3-bracket 2

May be the smallest angle in the triangle greater than 70°? - Semicircle

Calculate the length of a semicircle with a radius of 6cm. - Goniometric form

Determine the goniometric form of a complex number ?. - Euclid2

In right triangle ABC with right angle at C is given side a=29 and height v=17. Calculate the perimeter of the triangle. - Q-Exam

If tg α = 9.6, Calculating sin α, cos α, cotg α . - Vector 7

Given vector OA(12,16) and vector OB(4,1). Find vector AB and vector |A|. - Calculate

Calculate the square area if its perimeter is 14dm. - Adding shapes

5 triangles + 1 square = how many sides in all - Calculate

Calculate the area of a circle whose radius is 5 dm. - Square2

Side of the square is a = 6.2 cm, how long is its diagonal? - Annular area

The square with side a = 1 is inscribed and circumscribed by circles. Find the annular area. - Rectangle

Calculate perimeter of the rectangle with sides a=2.4 m and b=1.9 m. - The square

Calculate the area and perimeter of a square with side a = 15 dm S =, O = - 3-bracket

May be the largest angle in the triangle less than 20°? - Circle

On the circle k with diameter |MN| = 61 J lies point J. Line |MJ|=22. Calculate the length of a segment JN. - Distance

What is the distance between the origin and the point (18; 22)? - Clock

How long is trajectory of second hand of hours for day, if is 15 mm long? - Tree trunk

Calculate the average tree trunk with a circumference of 149 cm. - Probability

How probable is a randomly selected three-digit number divisible by five or seven?

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