Geometry Area formula quiz

area of a regular polygon

(apothem x perimeter)/2

area of a trapezoid

(b1+b2)h/2

properties of a rhombus

-diagonals are perpendicular -diagonals bisect opposite angles -diagonals are cut in half

perimeter of a rectangle

2l+2w l+l+w+w

perimeter of a square

4s s+s+s+s

area of a sqaure

S^2 length x height

Pythagorean Theorem

a²+b²=c²

Area of a parallelogram

base x height

area of a rectangle

base x height length x width

area of a triangle

base x height / 2 1/2 bh

area of a rhombus or kite

d1*d2/2

45-45-90 formula

leg*√2=hypo

30-60-90 formulas

short*√3=long leg short*2=hypo

area of a circle

πr²