Diagonal - practice for 14 year olds - page 2 of 17
Number of problems found: 330
- Rhombus
Calculate the length of the diagonal AC of the rhombus ABCD if its perimeter is 84 dm and the other diagonal BD has length 20 dm. - Square diagonal
Calculate the length of the square diagonal if the perimeter is 172 cm. - Diagonals of diamond
Find the area and circumference of the diamond ABCD with 15m and 11m diagonals. - Rectangle
The rectangle is 18 cm long and 10 cm wide. Determine the diameter of the circle circumscribed to the rectangle. - Diamond
The side length of the diamond is 35 cm, and the length of the diagonal is 56 cm. Calculate the height and length of the second diagonal. - Pentagon
Calculate the area of a regular pentagon, which diagonal is u=16. - Determine 81587
Determine the type of polygon if the number of all diagonals is 90. (Write down the number of its pages.) - Described 4187
Find the area of the circle that is a) inscribed, b) described 6.32 cm square. - Ten persons
Ten persons, each person, make a hand to each person. How many hands were given? - Diamond area from diagonals
In the diamond, ABCD is AB = 4 dm, and the diagonal length is 6.4 dm long. What is the area of the diamond? - Tree trunk
What is the smallest diameter of a tree trunk that we can cut a square-section square with a side length of 20 cm? - Billboard
A rectangular billboard is 2.5 m long with a diagonal of 2.8 m long. Calculate the perimeter and the area of the billboard. - Circumscribed circle to square
Find the length of a circle circumscribing a square side of 10 cm. Compare it to the perimeter of this square. - Umbrella
Can an umbrella 75 cm long fit into a box of fruit? The box has dimensions of 390 mm and 510 mm. - Diagonal
Calculate the diagonal length of the rectangle ABCD with sides a = 8 cm, b = 7 cm. - Logs
The log has a diameter of 30 cm. What largest beam with a rectangular cross-section can carve from it? - Calculate 8166
Calculate the perimeter of a square when we know the length of its diagonal e = 4.2 m - Trapezoid and diagonals
Find the area of a trapezoid with bases a = 24 cm, c = 16 cm, and diagonals u = 22 cm, v = 26 cm. - Side and diagonal
Find the circumference and the area of the rectangle if given: side a = 8 cm diagonal u = 10 cm. - The trapezium
The trapezium is formed by cutting the top of the right-angled isosceles triangle. The trapezium base is 10 cm, and the top is 5 cm. Find the area of the trapezium.
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