What is the square foot area of a room with a length of 10 3/4 feet and a width of 8 1/2 feet?

91.375

Step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,