Sure, there's such a thing as an isosceles right triangle. It's what you get when you draw the diagonal of a square. It has one right angle (of course) and two 45 degree angles. It's the shape that vexed the Pythagoreans.
Answer:
or
Step-by-step explanation:







or
Answer:
.25
Step-by-step explanation:
3/4 divided by 3
Yes algebra. Using the formula for a rectangle the easiest way would take length times width and divided it by 2