Question

The hypotenuse of an isosceles right triangle measures 15 feet. Find the area (?)

Answer 1

a^2 + a^2 = 15^2

or

2a^2 = 225

or

a^2 = 225/2

or a = 15sqrt(2)/2

and

A = (1/2)(b)(h) = (1/2)(15sqrt(2)/2)(15sqrt(2)/2)
= 225/4 square feet