one of the walls in megs bedroom is a square, 9 feet wide by 9ft tall. that wall has a square window that is 3ft wide and 3 ft tall. What is the area of the surface of the wall? explain how you found your anser.

First, we have to find the area of the wall, then the area of the window, then subtract them.

Area of wall = 9 × 9 = 81 sq.unit

Area of window = 3 × 3 = 9 sq.unit

So, the area of the wall ( excluding window ), = 81 - 9 = 72 sq. unit

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3