# Calculation 81402

In an isosceles triangle, the side a=b= 21 cm, and the triangle's height is 19 cm. Find out the base and perimeter of the triangle (sketch, calculation, answer).

## Correct answer:

Tips for related online calculators

The Pythagorean theorem is the base for the right triangle calculator.

Calculation of an isosceles triangle.

See also our trigonometric triangle calculator.

Calculation of an isosceles triangle.

See also our trigonometric triangle calculator.

### You need to know the following knowledge to solve this word math problem:

## Related math problems and questions:

- Triangles

An equilateral triangle with a side 16 cm has the same perimeter as an isosceles triangle with an arm of 23 cm. Calculate the base x of an isosceles triangle. - Calculation 43641

Hello, I can handle this task. Calculate the area and perimeter of an isosceles triangle, if given: base a: 6cm, height to the base is 4cm. - Calculation 81405

Sketch the mesh of a cylinder whose base radius to height ratio is 2 : 3. Calculate the volume and surface of the cylinder if its height is 9 cm (sketch, calculation, answer). - Hexagonal prism

The prism's base is a regular hexagon consisting of six triangles with side a = 12 cm and height va = 10.4 cm. The prism height is 5 cm. Find the volume and surface of the prism.

- Quadrilateral 19413

Calculate the surface area of a regular quadrilateral pyramid given: a= 3.2 cm h= 19 cm Method: 1) calculation of the height of the side wall 2) area of the base 3) shell areas 4) the surface of a regular quadrilateral pyramid - Triangle's 63774

Calculate the perimeter of an isosceles triangle if the triangle's height is 15 cm and the base is 16 cm. - Length IT

Find the length (circumference) of an isosceles trapezoid in which the length of the bases a,c, and the height h is given: a = 8 cm c = 2 cm h = 4 cm.