Diagonal - high school - practice problems
Number of problems found: 200
- Rhombus 36
Rhombus ABCD with side 8 cm long has diagonal BD 11.3 cm long. Find angle DAB. - Calculate 415
Calculate the cuboid's dimensions if the sum of its edges is 19cm. The body's diagonal size is 13 cm, and its volume is 144 cm³. The total surface area is 192 cm². - Diagonals
What x-gon has 54 diagonals? - N-gon
How many diagonals have convex 30-gon?
- Diagonals 8397
Does a hexagon have 275 diagonals? - Diagonal 5541
How many zeros does the unit matrix E contain, which has three units in the main diagonal? - Perimeter and diagonal
The perimeter of the rectangle is 82 m, and the length of its diagonal is 29 m. Find the dimensions of the rectangle. - Annular area
The square with side a = 1 is inscribed and circumscribed by circles. Find the annular area. - Polygon 42
Which polygon has 42 more diagonals than sides?
- Diamond
Calculate the length of the two diagonals of the diamond if: a = 13 cm v = 12 cm - Trapezoid - hard example
Bases of the trapezoid are: 24, 16 cm. Diagonal 22, 26 cm. Calculate its area and perimeter. - Rhombus
The rhombus with area 137 has one diagonal that is longer by 5 than the second one. Calculate the length of the diagonals and rhombus sides. - Diagonal of the rectangle
Calculate the rectangle's diagonal, which area is 54 centimeters square, and the circuit is equal to 30 cm. - 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.
- Diagonals
Calculate the length of the rhombus's diagonals if its side is long 5 and one of its internal angles is 80°. - 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.) - Ten persons
Ten persons, each person, make a hand to each person. How many hands were given? - Calculate 2201
Calculate the diagonals in the deltoid with sides of 10, 12.6, and 5 cm.
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