Applications of Area & Volume

Question 1

When do you use Heron’s Formula?

Answer 1

When finding the area of a triangle and no perpendicular height is given

Question 2

Heron’s formula

Answer 2

A= (square root of) s(s-a)(s-b)(s-c)

Where s= (a+b+c)/2

Question 3

When do you use the trapezoidal rule?

Answer 3

To find the area of an irregular shape

Question 4

Trapezoidal rule

Answer 4

A wiggly = w/2 x (s1 + middle x 2 + sn)