Pythagorean theorem - 7th grade (12y) - math problems
Number of problems found: 97
- Height UT
How long is height in the equilateral triangle with a side b = 43?
- Reverse Pythagorean theorem
Given are 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 dm,
Find the length of the other diagonal and area of the rhombus. The perimeter of a rhombus is 40 cm and one of the diagonals is of length 10 cm.
Calculate height of the equilateral triangle if its perimeter is 8?
The rectangle is 21 cm long and 38 cm wide. Determine the radius of the circle circumscribing rectangle.
The area of a square garden is 2/9 of triangle garden with sides 160 m, 100 m, and 100 m. How many meters of fencing need to fence a square garden?
- Rhombus ABCD
Rhombus ABCD, |AC| = 90 cm, |BD| = 49 cm. Calculate the perimeter of the rhombus ABCD.
- IS trapezoid
Calculate the length of diagonal u and height v of isosceles trapezoid ABCD, whose bases have lengths a = |AB| = 37 cm, c = |CD| = 29 cm and legs b = d = |BC| = |AD| = 28 cm.
- Area 4gon
Calculate the area of 4-gon, two, and the two sides are equal and parallel with lengths 11, 5, 11, and 5. Inner angles are 45°, 135°,45°, 135°.
- Right isosceles
Calculate area of the isosceles right triangle which perimeter is 26 cm.
Can an equilateral triangle have a right angle?
Calculate area of the square with diagonal 64 cm.
- Is right?
Is a triangle with sides 51, 56, and 77 right triangle?
Calculate the angle between box base 9 x 14 and body diagonal length 18.
- Rotating cone II
Calculate area of surface of rotating cone with base radius r=19 cm and height h=9 cm.
- Equilateral triangle
Calculate the side of an equilateral triangle if its area is 892 mm2.
Ladder 8 m long is leaning against the wall. Its foot is 1 m away from the wall. At which height ladder touches the wall?
Pythagorean theorem is the base for the right triangle calculator. Pythagorean theorem - math problems. Examples for 7th grade (seventh).