Categories Intermediate The triple airbag Post author By Rik D. Tangerman Post date September 30, 2022 No Comments on The triple airbag The triple airbag A triangle containing three tangent semicircles with diameters a, b and c. Three line segments pass through the red tangency points. What is the triangle perimeter? Scroll down for a solution to this problem. Solution The perimeter is 2(a+b+c). Solution by Ignacio Larrosa Cañestro. Please leave this field empty Don’t miss these puzzles! Subscribe to the weekly geometry puzzle e-mail. Email Address * Check your inbox or spam folder to confirm your subscription. Tags circle, length, triangle ← The grazing shot → The pit Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ Optionally add an image (JPEG only)