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Finding the length of a side of a equilateral triangle given the perimeter - Online Tutor

👉 Learn how to find the area and perimeter of triangles. A triangle is a shape of three sides. The area of a shape is the ...
The Guardian

Did you solve it? Five shady puzzles

Earlier today I set you five puzzles from More Geometry Snacks. Here are the questions each followed by two methods of solution. Sometimes the simple action of drawing in a few extra lines reveals the ...