# Circle section

Equilateral triangle with side 33 is inscribed circle section whose center is in one of the vertices of the triangle and the arc touches the opposite side.

Calculate:

a) the length of the arc

b) the ratio betewwn the circumference to the circle sector and the perimeter of the triangle

Calculate:

a) the length of the arc

b) the ratio betewwn the circumference to the circle sector and the perimeter of the triangle

**Your answer:**Tips to related online calculators

Pythagorean theorem is the base for the right triangle calculator.

See also our trigonometric triangle calculator.

See also our trigonometric triangle calculator.