Rony Sarker @RonySarker71
Mathematics Teacher Bangladesh Joined May 2020-
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A semicircle and a quarter circle. The length of the side is 2 which is inside the semicircle. What is the area of the red triangle?
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Happy pi day. In a rectangle the yellow shape is a square and the length of red line is √2. What is the area of the circle?
Happy Pi day x.com/ronysarker71/s…
All colored rectangles are congruent. What is the green angle?
Two congruent squares. The length of red line is 2. What is the blue area?
Two squares and a rectangle. The length of the shortest side of the rectangle is 1. What is the yellow area?
Red squares are congruent. Yellow squares are also congruent. Each yellow square is 4. What is the area of green triangle?
Rony Sarker retweeted
An Equal Music - 2. Two similar rectangles, constrained. G:O = ? Inspired by @RonySarker71 #rectangle #geometry #geometrique #ratio #puzzle #thinking #logic #reasoning #today #Triangle #similarity #mathteachers #math #teacher #mathematics #Algebra #highschool #students #learning
Rony Sarker retweeted
Semicircle and three squares. The total area of two small squares are 8. What is the area of orange square?
Area of red and blue triangles are equal in equilateral triangle. What is the yellow angle?
Rony Sarker retweeted
Geometry puzzle inspired by @RonySarker71. #mathiratti
Two identical squares. What is the red angle?
Rony Sarker retweeted
A puzzle: a circle, centre A, three parallels, and lots of similar triangles; prove the equation (corrected version with 2AB², thanks @RonySarker71):
Rony Sarker retweeted
The S-H-M Equivalence, a tango with Hermann @StcsMr and @MatthewArcus Three parallelograms. Ratio of areas (Army Green):(Yellow) = ? #geometrique #parallelogram #geometry #trigonometry #puzzle #thinking #logic #reasoning #mathteachers #geometrydash #math #highschool #students
Three equilateral triangles. Red area is 9 and blue area is 4. What is the area of yellow?
Rony Sarker retweeted
ABCD square. ∠PAQ=45º. Prove that the circumcenter O of triangle ΔPAQ lies on the diagonal AC. @Cshearer41 @RonySarker71
Two squares and two red triangles. The total area of red is 16. What is the area of blue square?
Rony Sarker retweeted
Do you enjoy creating mathematical puzzles? We are seeking new volunteers to contribute puzzles for our journals. Please send us a direct message to find out more. @edsouthall
Rony Sarker retweeted
The area of the red square is 12. What’s the total yellow area?
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The blue rectangle covers half of the square’s area. What’s the angle?
@MatthewArcus @RonySarker71 @Mirangu1 @ChrisWildhagen I love that we’ve all come up with the same thing! Shows it must be a good puzzle 😁
@RonySarker71 @Mirangu1 @ChrisWildhagen No need to argue. This is a very general problem known for centuries.
@RonySarker71 @ChrisWildhagen Ok, I guess the circle is round now.
A square containing a rectangle. What is the red fraction? mirangu.com/stars-on-45/ Inspired by @ChrisWildhagen
@Mirangu1 @ChrisWildhagen Making use of Stéphane's circle - match up regions and use Pythagoras on the triangle with dashed hypotenuse to show that A = B+C: x.com/steph_bernard6…
@RonySarker71 @GeometryPuzzles @ucXKiHjpdBiJsvr 4*8=32???
@Mirangu1 @MarshallWBuck If square sides are g[reen], b[lue], r[ed] and p[urple] then p^2=(b^2+g^2)/2
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