A window is shaped so that an equilateral triangle sits on top of a square. In an equilateral triangle all the sides are the same length.

Question

a) construct an equat describing the perimeter of the window in terms of the length of the side of the square, s. 

B) find an equation describing the area of the window in terms of s. 

C) find the perimeter and area of the window whose side length is s=20 ft. 

 

Diagram: sqaure that has 3 sides labeled as (s) with a triangle on top and in the middle of the triangle h=square root of 3/2 (s) and 

Answer 1

a) p = 5s

b) A = s² + (s²√3) / 4

c) substitute 30 for s