Triangle - practice for 12 year olds - page 7 of 14
Number of problems found: 275
- Hypotenuse
Calculate the length of the hypotenuse of a right triangle with a catheti 71 cm and 49 cm long. - Height
The area of the triangle is 35 cm². The length of the base is 10 cm. Determine the length of the height on the base. - Base
Compute the base of an isosceles triangle, with the arm a=20 cm and a height above the base h=10 cm. - 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? - 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. - Height
Calculate the height of the equilateral triangle if its perimeter is 48. - Square
Calculate the area of the square with diagonal 64 cm. - Joanne
Joanne and Roger are planting a rectangular garden. The garden is 8 1/2 ft by 13 ft. They want to use half of the garden for cucumbers and half for tomatoes. They decide to separate the garden into two right triangles. What is the area of the tomato part - Electronics 2476
The electronics store offers a TV with a diagonal screen of 33 inches; the screen's height (without borders) is 44 cm. How wide is the TV if the edge on each side of the screen is 1.1 cm? - Rectangle 6946
The triangle has a base of 7 cm and a height of 6 cm. The rectangle has one side of 10.5 cm and the same area as the triangle. What is the length of the other side of the rectangle? - Perimeters
A rectangle has a perimeter of 16p centimeters. It had a width of 2p centimeters. Each side of an equilateral triangle is 1/2 the length of the rectangle. Find the total perimeter of the rectangle and the triangle if p=8. - Inscribed 44101
A circle is inscribed in the triangle with sides of 13 cm, 14 cm, and 15 cm. What is its radius? - Reverse Pythagorean theorem
Given are the lengths of the sides of the triangles. Decide which one is rectangular: Δ ABC: 77 dm, 85 dm, 36 dm ... Δ DEF: 55 dm, 82 dm, 61 dm ... Δ GHI: 24 mm, 25 mm, 7 mm ... Δ JKL: 32 dm, 51 dm, 82 dm ... Δ MNO: 51 dm, 45 - Januka
Januka and her father were going to the tent. They found that their old tent was torn. Their mother suggested that they sew a tent whose walls would be made of 4 identical isosceles triangles. Their lower side is 2 m long, and the height is also 2 m. Then - Perimeter of circle
Calculate the circumference of a described circle to the triangle with sides 9,12,15 cm. - Right-angled 25091
A thin plate in the shape of a right-angled triangle is turned once around the shorter hanger and a second time around the longer hanger. Cones are described by rotation. Are they the same volume? The dimensions are: shorter pendant 6cm, longer pendant 8c
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