Uploaded November 2025 | Updated September 2026, 2 weeks ago
This Reddit geometry puzzle shows a large rectangle divided into three parts. Two areas are given (30 m² and 40 m²). Using algebra and basic geometry, we can find the area of the missing red section.
This video is great practice for geometry problem-solving, area problems, and algebraic reasoning.
Here’s the post from Reddit: reddit.com/r/calculus/s/nMl2cbvvIZ
------------------
I help students master the basics of math. You can show your support and help me create even better content by becoming a patron on Patreon 👉 patreon.com/blackpenredpen.
Get your "algebra" t-shirt 👉 amzn.to/3A8Ed4k
Every bit of support means the world to me and motivates me to keep bringing you the best math lessons! Thank you!
------------------
#math #algebra #mathtutorials
This Reddit geometry puzzle shows a large rectangle divided into three parts. Two areas are given (30 m² and 40 m²). Using algebra and basic geometry, we can find the area of the missing red section.
This video is great practice for geometry problem-solving, area problems, and algebraic reasoning.
Here’s the post from Reddit: reddit.com/r/calculus/s/nMl2cbvvIZ
------------------
I help students master the basics of math. You can show your support and help me create even better content by becoming a patron on Patreon 👉 patreon.com/blackpenredpen.
Get your "algebra" t-shirt 👉 amzn.to/3A8Ed4k
Every bit of support means the world to me and motivates me to keep bringing you the best math lessons! Thank you!
------------------
#math #algebra #mathtutorials
