Pythagorean theorem - practice for 14 year olds - page 5 of 44
Number of problems found: 865
- Q-Exam
If tg α = 8.6, Calculating sin α, cos α, cotg α . - Proof PT
Can you easily prove Pythagoras' theorem using Euclidean theorems? If so, do it. - Diagonals of the rhombus
Calculate the height of the rhombus whose diagonals are 18 cm and 6 cm. - Calculate 82490
Calculate the area of an isosceles triangle ABC with a base of 10 cm and a side of 7 cm. Sketch a picture.
- Height 40911
At what height does the 15 m ladder touch the wall if its lower end is 2.5 m away from it? - Isosceles 9881
The area of an isosceles right triangle is 32 cm square. What is his circuit? - Calculate 2673
In triangle ABC, the height on the c side is 12 cm. Calculate the area of this triangle if a = 15 cm and b = 13 cm. - Calculate
Calculate the height of an isosceles triangle with a base 37.8 mm long and an arm 23.1 mm long. - Spruce height
How tall was spruce that was cut at an altitude of 8m above the ground and the top landed at a distance of 15m from the heel of the tree?
- Is right-angled
Can a triangle with the sides of sqrt 3, sqrt 5, and sqrt 8 (√3, √5, and √8) be a right triangle? - Semicircle
To a semicircle with a diameter of 10 cm, inscribe a square. What is the length of the square sides? - The double ladder
The double ladder has three meters-long shoulders. What is the height of the upper ladder reach if the lower ends are 1.8 meters apart? - Chord 3
The chord is 2/3 of the circle's radius from the center and has a length of 10 cm. How long is the circle radius? - Logs
The log has a diameter of 30 cm. What largest beam with a rectangular cross-section can carve from it?
- Perpendicular 41811
Calculate the area of a right triangle whose longer perpendicular is six dm shorter than the hypotenuse and three dm longer than the shorter perpendicular. - Calculate 8166
Calculate the perimeter of a square when we know the length of its diagonal e = 4.2 m - Vertically 7853
The storm broke the vertically growing spruce at 8 meters above the ground. The top fell to the bottom 6 meters from the spruce base. Find the original height of the spruce. - Equilateral 5571
The height in the equilateral triangle ABC measures the square root of 3 cm. What is the length of the center bar of this triangle? - Estate
An estate-shaped rectangular trapezoid has bases long 35 m, 65 m, and perpendicular arm 34 m. Calculate how long its fence is.
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