Area Formulas

Question 1

Area of a sector

Answer 1

AOS=(x/360)(pir^2)
x is the angle measure
r is radius

Question 2

Area of a circle

Answer 2

A=pir^2

Question 3

Area of a rectangle

Answer 3

A=l*w

Question 4

Area of a square

Answer 4

A=s^2
s=side length

Question 5

Area of a triangle

Answer 5

(1/2)(b*h)

Question 6

Area of a trapezoid

Answer 6

A=((b1+b2)/2)h

Question 7

Area of a parallelogram

Answer 7

A=b*h