Question

What is the area of the figure:

Answer 1

A 45 45 90 triangle
so a = b
 a^2 + b^2 = c^2
 a^2 + a^2 = c^2
 2a^2 = c^2
 2a^2 = 24^2
 2a^2 = 576
   a^2 = 288
       a = 12√2
 b = a = 12√2

Area of triangle:
= 1/2 (12√2)(12√2)
= 1/2(288)
= 144

answer
Area = 144 ft^2