Geometry

Areas of figures

Formulas for finding the area of a triangle

            Heron's formula

            Formulas for calculating the area of an equilateral triangle

Formulas for finding the area of a convex quadrilateral

            Area of an arbitrary convex quadrilateral

            Area of a parallelogram

            Area of a rhombus

            Area of a trapezoid

Formulas for finding the area of a convex polygons

            Area of a convex polygon

            Area of a regular polygons

Area of a circle, sector of a circle and segment of a circle

Formulas for finding the area of a circle, a sector of a circle and a segment of a circle