first calculate the area of the two triangles and add them up...calculate the area of the three rectangles on each side add them up...finally add the sum of the rectangles together with the triangle
The altitude of an equilateral triangle: h = s √3 / 2, where s is the length of one side of the triangle. s √3 /2 = 7 √ 3 / : √3 s / 2 = 7 s = 7 * 2 s = 14 units Answer: B ) 14