New posts in plane-geometry

What is the measure of the $\measuredangle EAD$ where $E$ is outside the square $ABCD$?

Find the area of ​the shaded region $ABCE$

Find the area of ​the $AMRQ$ region

Find $ S1$ in the parallelogram below

Why are turns not used as the default angle measure?

Find the product $S1.S2$ in the figure below

What's the the value of $x$ in the circumference below?

Pairwise-intersecting circles $R,G,B$ have concurrent common chords?

Can we construct this figure in more elementary steps?

Find the area of ​the $AMND$ quadrilateral;

Find the area of ​the trapezoidal surface $ABCD$

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

Confusion regarding equational form of plane

Intersection of perpendicular bisector and circle in a triangle.

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

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

Find :$\frac{A1}{A}−\frac{A}{A2}$ in the triangle below

The most effective windshield-wiper setup. (Packing a square with sectors)

Find the area of ​the triangle EGB.

Find the area of ​the shaded region: in the figure