Length + reason - practice problems
Number of problems found: 166
- Hypotenuse 82331
Given a right triangle KLM with a right angle at M. What is the magnitude of the hypotenuse m if the magnitude of the normal to the hypotenuse m is 4? - Wire cut
A wire of length 9 m was cut into equal lengths using 5 cuts. How long is each piece? - Integer sides
A right triangle with an integer length of two sides has one leg √11 long. How much is its longest side? - 3 pupils
Three pupils cleaned 10 meters of the stream in 1 hour. How many meters of the stream will clean 18 students in 4 hours? - Thomas
Thomas lives 400 meters away from Samko, Robo from Thomas also 400 m, and Samko from Robo 500. Anton lives 300 meters away from Robo, further than Samko. How far away lives Anton from Rob? - Tree shadow 3
A 2-meter rod casts a shadow 3.2 m long. How high is a tree with a shadow of 14.4 m? - Book
Calculate the thickness of the page of the collection of examples from mathematics, where 4.87 cm is thick and has 451 pages. - Pipe
Steel pipe has a length of 1.7 meters. About how many decimetres is 1/3 less than 8/9 of this steel pipe? - Three-digit numbers
How many three-digit numbers are not closer to 600 on the number axis than 400? - Wood bars
It is 9 bars 14 meters long and 9 bars 11 meters long. How many 5-meter laths are needed to make them? - Equilateral 6306
We composed the diamond of four equilateral triangles with a side length of 7 cm. What's his circuit? - Integer cube
The length of the cube edge is an integer. Its volume is in cm3, a five-digit number divisible by 1331. What is the length of the edge of this cube? - Ribbon on the cube
A cubical gift box is tied with a piece of ribbon. If the total length of the free ends and the bow is 18 inches, what is the length of the ribbon used? (Each side of the cube is 6 inches). - The body
The body on the figure consists of cubes with an edge length of 10 cm. What surface has this body? - Bicycle wheel
A bicycle wheel has a diameter of 60 cm. Approximately how many times does the wheel rotate at a 2.5 km long trip? - According 7038
When students are ranked according to height, Katka is 12th Front and 17th Back. How many children are in the class? - Equilateral triangle
A square is inscribed into an equilateral triangle with a side of 10 cm. Calculate the length of the square side. - Class alphabet
All 29 pupils in the class are written in a class alphabet. The number of pupils enrolled before Paul is three times higher than those behind him. Calculate how many pupils are enrolled after Paul. - Do you solve this?
Determine area S of a rectangle and the length of its sides if its perimeter is 102 cm. - Land boundary
The land has a shape of a right triangle. Its hypotenuse has a length of 30m. The circumference of the land is 72 meters. What are the sizes of the remaining sides of the land boundary?
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