How do you solve 900•6 in steps

What two criteria are needed for triangles to be similar

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1