Question

Plane geomentry formulas of circles

Answer 1

of all angles inside the polygon):

Total measure of the interior angles = 180(Number of angles – 2)

Area of a triangle:



Pythagorean theorem (where a and bare the legs, and c is the hypotenuse):

a2 + b2 = c2

Area and perimeter of a square of side s:

A = s2

P = 4s

Area and perimeter of a rectangle of sides l and w:

A = lw

P = 2l + 2w

Area of a parallelogram:

A = bh

Area of a trapezoid:



Diameter, area, and circumference of a circle:



Arc length of a circle:



Volume and surface area of a cube:

V = s3

A = 6s2

Volume and surface area of a box:

V = lwh

A = 2lw + 2lh + 2wh

Volume and surface area of a sphere:



Volume of a right prism:

V = Abh

Volume of a pyramid:



Volume of a cylinder: