Question

For estimating the area between a graph, does one always have to draw different rectangles?

Answer 1

Like shown in this: http://tutorial.math.lamar.edu/Classes/CalcI/AreaProblem.aspx

Answer 2

riemann sum?

Answer 3

I don't know what it is called. :)

Answer 4

it's called riemann sum

Answer 5

you draw rectangles with small width that touches the curve

Answer 6

OK, but is there another way to get the area?

Answer 7

then you take the sum of the area of those rectangles

Answer 8

integrals

Answer 9

Got it... let's see if the other method is there.

Answer 10

Definite integration by the way, right?

Answer 11

Ofc.

Answer 12

Haha, thank you then!

Answer 13

if you have limits, then it becomes definite..if not...then indefinite

Answer 14

Thank you again =)