Blocked entrance! | 2-Minute Geometry | MathyMahdi youtu.be/8qTuXrBrMM8 via YouTube

youtu.be/8qTuXrBrMM8 via YouTube

Inclined Quarters! A puzzle by Catriona Agg | 2-Minute Geometry | MathyMahdi youtu.be/Q2SSLn2L1yc via YouTube

youtu.be/Q2SSLn2L1yc via YouTube

Catriona Agg The answer is 32π. Here is the animated proof!

Catriona Agg The area is invariant!

This week’s team spotlight goes to... Mahdi! Mahdi is a tutor at schoolhouse.world who teaches Algebra, Geometry, Trigonometry, and Calculus! You can be tutored by Mahdi by signing up at schoolhouse.world.

【星の性質】 星を綺麗に描けない方、安心して下さい！ どんな一筆書きの星も綺麗です！ #数学 #図形

Catriona Agg A visual intuition that the area of the blue square is invariant of the position of the green triangle. Also, the yellow square is just a red herring (or a yellow herring😅)

Another interesting and relevant Fermi Problem on Olympics that I contributed this week!

Although the world is slowly shifting towards electronics, newspapers are still the main source of news for many! What newspapers do you like to read when you get the chance?

Sign up on schoolhouse.world, a free peer-to-peer tutoring platform to receive live help on Maths, Science, AP, SAT, and so much more! schoolhouse.world/?ref=u-z2045ha…

I like this - some really lovely animations on Mahdi Raza’s YouTube channel (The animation accompanying this problem is here youtu.be/PAar01xclAc)

Professor Smudge NTU Primary Maths The perimeter in both the figures is equal! Nice puzzle! Richard Perring Charlotte Hawthorne

Professor Smudge Math for Love It is 36 cm. Here's the animation for it!

I really enjoyed doing this one by Mahdi Raza. I could see it was going to be a case of rearranging all the pieces but couldn’t immediately see how. Drawing in the other diagonal really helped.