New posts in area

Is every parallelogram a rectangle ??

geometry triangles area fake-proofs quadrilateral

Triangles packed into a unit circle

contest-math area packing-problem

Why does area differentiate to perimeter for circles and not for squares?

calculus geometry circles area

Is this formula for the area of a triangle worth being published? $\frac{(a^2+b^2-c^2)^2\sec C\tan C}{8ab}$

geometry trigonometry triangles area publishing

Proof of Heron's Formula for the area of a triangle

geometry trigonometry triangles area

Find the area of ​the trapezoidal surface $ABCD$

geometry euclidean-geometry triangles area plane-geometry

Why square units?

area

Area of parallelogram = Area of square. Shear transform

geometry area quadrilateral

Find the area ratio of the $ABNM$ and $ABCD$ trapezoids

geometry euclidean-geometry area plane-geometry

Is there a closed form for this definite integral? [duplicate]

calculus integration definite-integrals solution-verification area

How was the area formula for a circle ($A = \pi r^2$) derived before the introduction of calculus?

geometry circles area

Do two right triangles with the same length hypotenuse have the same area?

geometry triangles area

How to calculate the area of a 3D triangle?

triangles 3d area

Can area of rectangle be greater than the square of its diagonal?

geometry area

Find the ratio of the areas of the triangles: $MPA$ and $PBC$

geometry euclidean-geometry area plane-geometry

Find the area $ S_ {OGBH}$ in the figure below

geometry euclidean-geometry area plane-geometry

Length of the side of a similar triangle

geometry triangles area

Any smart ideas on finding the area of this shaded region?

geometry recreational-mathematics puzzle area

Show that the area of a triangle is given by this determinant

linear-algebra determinant triangles area

Find the area of largest rectangle that can be inscribed in an ellipse

geometry optimization conic-sections area rectangles