In an equilateral triangle, 3 coins of radii 1 unit are kept so that they touch each other and also the sides of the triangle. Then what is the area of the triangle?
2 Answers
Let radius of the coin
Side of the equilateral triangle
Area of
Explanation:
Without drawing the picture I see the centers make a small equilateral triangle out of two radii, so sides
[Forgot to hit Post on this one before.]