Triangle - practice for 13 year olds - page 19 of 56
Number of problems found: 1111
- Tangent of an angle
Suppose the tangent of an angle of a right-angled triangle is 0.8. Then its longest side is: - Base
Compute the base of an isosceles triangle, with the arm a=20 cm and a height above the base h=10 cm. - Calculate 10691
Calculate the length of the side of a square whose diagonal has a length of 10 m. - Trio 2
Decide whether a trio of numbers is the side of a right triangle: 26,24,10.
- Is right?
Is a triangle with sides 51, 56, and 77 right triangle? - OPT
What is the perimeter of a right triangle with the legs 14 cm and 21 cm long? - Square2
The side of the square is a = 5.6 cm. How long is its diagonal? - Isosceles 5856
How many isosceles triangles form in a square when we mark all diagonals? - Calculate 14733
Square has the side a = 12 cm. Calculate the area of a triangle in the square.
- Square
Calculate the square's perimeter and area with a diagonal length of 30 cm. - How long
How long is the diagonal of the square with side a = 50mm? - Height
Calculate the height of the equilateral triangle if its perimeter is 48. - Square
Calculate the area of the square with diagonal 64 cm. - Right-angled 66364
From a rectangular board with 2 m and 3 m dimensions, we cut isosceles and right-angled triangles at the corners with an overhang of 40 cm. Calculate the ratio of the rest of the board's areas to its total original area.
- The sides
The sides of the rectangle are in a ratio of 3:5, and its circumference measures 72 cm. Calculate: a) the size of both sides of the rectangle b) the area of the rectangle c) the length of the diagonals - Cathethus and the inscribed circle
A right triangle is given one cathetus long 14 cm and the radius of the inscribed circle of 5 cm. Calculate the area of this right triangle. - Calculate 3209
Calculate the lengths of the sides of the triangle ABC, in which angles α = 113°, β = 48°, and the radius of the circle of the triangle described is r = 10 cm. - Centimeters 4162
Calculate for me the length of the diagonal of a rectangle whose size is 7 cm greater than its width and whose perimeter is 34 centimeters. The dimensions of the rectangle are expressed in natural numbers. - Wheel gear
A drive wheel of radius two is connected to a drive wheel of radius one by a pulley of length 17. What is the distance between the wheel axles?
Do you have homework that you need help solving? Ask a question, and we will try to solve it.