Right triangles and trigonometry · 第 3 题

Right triangles and trigonometry · 原库模块 1 · Q3 原库参考解析

A graphic designer is creating a logo for a company. The logo is shown in the figure above. The logo is in the shape of a trapezoid and consists of three congruent equilateral triangles. If the perimeter of the logo is 20 centimeters, what is the combined area of the shaded regions, in square centimeters, of the logo?