The ratios of the. See examples, diagrams, and a proof of the theorem. Arlington national cemetery’s section 60 is a focus of controversy. A man places flowers in front of headstones in section 60, which mark the final resting place of. The shorter side is opposite the 30 degree angle, the longer side is opposite the. Learn how to solve the measurements of a 30 60 90 triangle, a special right triangle with angles of 30°, 60° and 90°. Find the formulas, ratios, examples and faqs for this triangle. A 30 60 90 triangle is a special right triangle that has interior angles measuring 30°, 60°, and 90°. Because of this special form it is easy to calculate the rest of the dimensions if. Given that x is the shortest side measure, we know we can measure out at the baseline for length x, turn an angle of 60 degrees, and have a new line. Because its angles and side ratios are. Learn the formulas and rules for these triangles and. A 30 60 90 triangle is a special type of triangle with a 1: 3 ratio for its side lengths. It's a right triangle with angles measuring 30°, 60°, and 90°. The side opposite the 30° angle is the. This triangle has unique properties that make solving. Since 30° is the.