# Pythagorean theorem - 9th grade (14y) - math problems

#### Number of problems found: 581

• Median
In the right triangle are sides a=96 dm b=31 dm. Calculate the length of the medians tc to the hypotenuse.
• Height
Calculate height of the equilateral triangle if its perimeter is 8?
• Equilateral triangle v2
Equilateral triangle has a perimeter 36 dm. What is its area?
• Triangle
Calculate the triangle sides if its area S = 630 and the second cathetus is shorter by 17.
• 4s pyramid
Regular tetrahedral pyramid has a base edge a=17 and collaterally edge length b=32. What is its height?
• Equilateral triangle
Find the area of an equilateral triangle with a side of 15 cm.
• Hexagon
Calculate the regular hexagonal prism's surface whose base edge a = 12cm and side edge b = 3 dm.
• Square circles
Calculate the length of the described and inscribed circle to the square ABCD with a side of 5cm.
• Cube in sphere
The sphere is an inscribed cube with an edge of 8 cm. Find the sphere's radius.
• Park
In the park is marked diamond shaped line connecting locations A, D, S, C, B, A. Calculate its length if |AB| = 108 m, |AC| = 172.8 m.
• Tetrahedron
Calculate height and volume of a regular tetrahedron whose edge has a length 6 cm.
• Diamond
Calculate the length of the two diagonals of the diamond if: a = 13 cm v = 12 cm
• Distance between 2 points
Find the distance between the points (7, -9), (-1, -9)
• Equilateral triangle
Calculate the area of an equilateral triangle with circumference 72cm.
• Equilateral triangle
The equilateral triangle has a 23 cm long side. Calculate its content area.
• Right angle
If a, b and c are two sides of a triangle ABC, a right angle in A, find the value on each missing side. If b=10, c=6
• Body diagonal
Find the cube surface if its body diagonal has a size of 6 cm.
• Triangular pyramid
What is the volume of a regular triangular pyramid with a side 3 cm long?
• Semicircle
To a semicircle with diameter 10 cm inscribe square. What is the length of square sides?
• Is right triangle
Decide if the triangle XYZ is rectangular: x = 4 m, y = 6 m, z = 4 m

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Pythagorean theorem is the base for the right triangle calculator. Pythagorean theorem - math problems. Examples for 9th grade.