Why area of rectangle is less than its integral
109192
Intuitive reason why $ \frac1j > \int_{j}^{j+1} \frac1x dx $ for $j$ < $x$
61952
Area of intersection using integration
130665
Determine radius of a rounded rectangle
81679
Why is $f(4)$ the area under $f'(x)$ specifically from $0$ to $4$ and not for ex from $1$ to $4$ or $2$ to $4$?
54028
How do I calculate the area of a 2d polygon?
134551
Comparison between integrals
116294
improper integral calculation
59500
Area of an irregular polygon using side lengths
103374
A Problem on Improper Integrals
86712
Use rectangular contour to integrate $\int_{0}^{\infty}\frac{\sin(ax)}{e^{2\pi x}-1}dx$
95067
Area of the Limiting Polygon
8583
Dependence of Friction on Area
90246
Area of an ellipse. (Calculus)
78194
Finding minimum-area-rectangle for given points?
7944
What algorithm can be used for packing rectangles of different sizes into the smallest rectangle possible in a fairly optimal way?
52850
"The total area underneath a probability density function is 1" - relative to what?
85764
Why is surface area not simply $2 \pi \int_{a}^{b} (y) dx$ instead of $2 \pi \int_a^b (y \cdot \sqrt{1 + y'^2}) dx$?