choose all the statements that are true about right triangles
a. right triangles have interior angles that add to equal 180 degrees
b. right triangles have side lengths that always follow a^2 + b^2 = c^2
c. right triangles have have interior angles that are all acute angles
d. right triangles have side lengths that are always rational numbers
e. right triangles have the pattern that the sum of the two shorter sides = the longest side
f. right triangles must have the side across from the 90 degree angle as the longest side
b. right triangles have side lengths that always follow a^2 + b^2 = c^2
e. right triangles have the pattern that the sum of the two shorter sides = the longest side