# Equilateral 2543

a) The perimeter of the equilateral triangle ABC is 63 cm. Calculate the side sizes of the triangle and its height.

b) A right isosceles triangle has an area of 40.5 square meters. How big is his circuit?

c) Calculate the square's area if the diagonal's size is 15 cm.

b) A right isosceles triangle has an area of 40.5 square meters. How big is his circuit?

c) Calculate the square's area if the diagonal's size is 15 cm.

## Correct answer:

Tips for related online calculators

See also our right triangle calculator.

Calculation of an isosceles triangle.

Calculation of an equilateral triangle.

See also our trigonometric triangle calculator.

Calculation of an isosceles triangle.

Calculation of an equilateral 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:

- Rhombus diagonals

In the rhombus ABCD are given the sizes of diagonals e = 24 cm; f = 10 cm. Calculate the side length of the diamond and the size of the angles, and calculate the area of the diamond. - Calculate 2558

Calculate the size of the solid diagonals of a prism with a rhombus base if the sizes of the base diagonals are 16 cm and 20 cm and the height of the prism is 32 cm. Calculate the size of the base edge. - Parallelogram 82695

Given is the parallelogram KLMN, in which we know the side sizes/KL/ = a = 84.5 cm, /KN/ = 47.8 cm, and the angle size at the vertex K 56°40'. Calculate the size of the diagonals. - Diagonals 81884

In an isosceles trapezoid, the basic lengths are 15 cm and 9 cm. The diagonals are 13 cm long. Calculate the perimeter and area of the trapezoid.

- Height

Calculate the height of the equilateral triangle if its perimeter is 48. - Right-angled 66344

From a square with a side of 4 cm, we cut four right-angled isosceles triangles with right angles at the square's vertices and with an overlap of √2 cm. We get an octagon. Calculate its perimeter if the area of the octagon is 14 cm². - Perimeter of triangle

In the triangle, ABC angle A is 60°, angle B is 90°, and side size c is 15 cm. Calculate the triangle circumference.