Formulas For Shapes Math

Where l length.

Formulas for shapes math. Perimeter l l w w 2 l 2 w. When we know the radius r of the circle and central angle θ of the sector. Radius in this list the shape is followed by two formulas the first formula. Area of a rectangle a l b.

Rectangle area length x width a lw. Area of the sector l r 2. Area of sector worksheet. Area of a triangle a b h.

Parallelogram area base x height a bh. A π r 2. Triangle area 1 2 of the base x the height a. Perimeter s s s s 4 s.

Perimeter add the length of all sides p 2a 2b. Area of the sector θ 360 π r2. Area of a square a a 2. Area l w.

A 1 2h b 1 b 2 circle. Perimeter of a rectangle p 2 l b where l length. Perimeter 2a 2b. Area of scalene triangle sqrt s s a s b s c perimeter of scalene triangle a b c where a b c are side of scalene triangle formula of isoscele triangle.

C πd 2 π r. P a b 1 c b 2. Volume 1 3 π h r 12 r 22 r 1 r 2 slant height r 1 r 2 2 h 2 lateral surface area. Where b base of the triangle.

H height of the triangle. Perimeter 2 x lengths 2 x widths p 2l 2w. When we know the radius r of the circle and arc length l. π r 12 r 22 r 1 r 2 s.

Length of arc l θ 360 2πr. Here we provide you with common geometry formulas for some basic shapes. Formulas for perimeter area surface volume. Two sides of one length a and two sides of another length b.

The letters in the formulas stand for length width side base height diameter and radius. Formula of scalene triangle. Where a length of the sides of a square. P 2w b 1 b 2.

π r 1 r 2 s π r 1 r 2 r 1 r 2 2 h 2 top surface area π r 12. A 1 2h b 1 b 2 isosceles trapezoid. Base surface area π r 22. Area of circle pi r 2 perimeter of circle 2 pi r where 𝒓 radius d diameter d 2𝒓.

A s 2. Worksheet for length of arc. P a b c. To find out the perimeter of any parallelogram use this simple formula.

Aug 8 2018 explore ian hicks s board geometric formulas on pinterest. P 2 l w a lw.