# Perimeter of circle

Calculate the circumference of a described circle to the triangle with sides 9,12,15 cm.

### Correct answer:

Tips for related online calculators

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

## Related math problems and questions:

- Circle described

The circle radius described in the right triangle with a 6 cm long leg is 5 cm. Calculate the circumference of this triangle. - Right-angled 64084

A right-angled triangle ABC with sides 5 cm and 12 cm is described by circle k. Calculate the length of circle k in centimeters. When calculating, use π = 3, 14 and round the result to tenths. - Thales

Calculate the length of the Thales' circle described to the right triangle with hypotenuse 44.2 cm. - Circle and rectangle

The circle describes a rectangle with sides of 11.7 cm and 175 mm. What is its length? Calculate the area of the circle described by this circle. - Described

Calculate the perimeter of the circle described by a triangle with sides 478, 255, 352. - Hexagon 5

The distance of parallel sides of regular hexagonal is 61 cm. Calculate the length of the radius of the circle described in this hexagon. - Circumference 4278

An inscribed circle is also described as an equilateral triangle with a side length of 8 cm. How many cm is the circumference of the inscribed circle smaller than the circumference of the described circle? - Circumference 56291

Calculate the circumference of a circle circumscribed by a right triangle with squares 10 cm and 15 cm long. - Calculate 3209

Calculate the lengths of the sides of the triangle ABC, in which angles α = 113°, β = 48°, and the radius of the circle of the triangle described is r = 10 cm. - Square circles

Calculate the length of the described and inscribed circle to the square ABCD with a side of 5cm. - Calculate 5499

Calculate the area of the circle, which is described by a square with a side length of 7.5 cm. - Ratio of sides

Calculate the area of a circle with the same circumference as the circumference of the rectangle inscribed with a circle with a radius of r 9 cm so that its sides are in a ratio of 2 to 7. - Math heart

A stylized heart shape is created from a square with a side of 5 cm and two semicircles over its sides. Calculate the area and its circumference. - Trapezoid

The rectangular trapezoid ABCD with a right angle at the vertex A has sides a, b, c, and d. Calculate the circumference and the area of the trapezoid if given: a = 25cm, c = 10cm, d = 8cm - Isosceles IV

In an isosceles triangle ABC is |AC| = |BC| = 13 and |AB| = 10. Calculate the radius of the inscribed (r) and described (R) circle. - Circular ring

A square with an area of 16 centimeters is inscribed circle k1 and described to circle k2. Calculate the area of the circular ring, which circles k1, and k2 form. - Described circle to rectangle

The rectangle with sides of 6 cm and 4 cm was circumscribed circle. What part of the circle area determined by the circumscribed circle occupies a rectangle? Express in perctentages(%).