Answer:
3
Step-by-step explanation:
The Pythagorean Theorem can be used to determine an unknown side of a right triangle when two sides are known.
It states that a^2+b^2=c^2.
This is where a and b are the legs of the triangle, and c is the hypotenuse.
If you're unclear on this, you can draw a diagram to help you visualize it.
Hence, we can plug the given information into this formula.
a^2+8^2=(√73)^2
Simplify.
a^2+64=73
Subtract 64 from both sides.
a^2+64-64=73-64
a^2=9
Find the square root of both sides.
a=3
The length of the unknown leg in the right triangle is 3 units.
