d_r_o_n_e's profile picture. I get wet without even trying

dℝ∅ℕ∋

@d_r_o_n_e

I get wet without even trying

Circumcircle and regular dodecagon. Khaki area in terms of circumradius:

d_r_o_n_e's tweet image. Circumcircle and regular dodecagon.
Khaki area in terms of circumradius:

Nested regular hexagon and pentagon. Angle chasing problem or how to build 66° angle.

d_r_o_n_e's tweet image. Nested regular hexagon and pentagon.
Angle chasing problem or how to build 66° angle.

Nested regular hexagon and pentagon problem

d_r_o_n_e's tweet image. Nested regular hexagon and pentagon problem

π approximations by Ramanujan

d_r_o_n_e's tweet image. π approximations by Ramanujan

For several thousand years Polaris has served as a signpost in the sky. Of all the stars it is unique because it appears to be almost stationary in the sky while all the other stars appear to rotate around it. It is about as close to the north celestial pole as it will ever get.

d_r_o_n_e's tweet image. For several thousand years Polaris has served as a signpost in the sky. Of all the stars it is unique because it appears to be almost stationary in the sky while all the other stars appear to rotate around it.

It is about as close to the north celestial pole as it will ever get.

Red supergiant Betelgeuse, shoulder of Orion the Hunter. Photo by NASA and ESA

d_r_o_n_e's tweet image. Red supergiant Betelgeuse, shoulder of Orion the Hunter.
Photo by NASA and ESA

Lunar phases (not to scale) NASA/JPL-Caltech

d_r_o_n_e's tweet image. Lunar phases (not to scale)
NASA/JPL-Caltech

Square with two congruent rectangles

d_r_o_n_e's tweet image. Square with two congruent rectangles

Regular pentagon and 3 equal areas. Find |MN| Random question with my random answer

d_r_o_n_e's tweet image. Regular pentagon and 3 equal areas. Find |MN|

Random question with my random answer

Regular pentagon problem by @diegorattaggi My solution:

d_r_o_n_e's tweet image. Regular pentagon problem by @diegorattaggi 
My solution:

Regular hexagon and right kites. Author of the puzzle is @MatildaSpicer

d_r_o_n_e's tweet image. Regular hexagon and right kites. Author of the puzzle is @MatildaSpicer

13/70 of right triangle is green

d_r_o_n_e's tweet image. 13/70 of right triangle is green

Partitioned regular hexagon

d_r_o_n_e's tweet image. Partitioned regular hexagon

Definite integral

d_r_o_n_e's tweet image. Definite integral

Two regular concentric hexagons.

d_r_o_n_e's tweet image. Two regular concentric hexagons.

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