MathCastle
Grade 6MediumArea of Triangles

Area of Triangles · Medium problem

A symmetric trapezoid-shaped roof has a bottom edge of 1919 m, a top edge of 99 m, and a height of 55 m. It can be split into a middle rectangle (as wide as the top edge) and two triangles at the ends (with equal bases of 44 m and 66 m, since the bottom overhangs the top unevenly). What is the roof's total area, in square meters?