Which of the following options represents an equation that can be used to solve for the missing side of a right triangle? Select all that apply. a 2 + b 2 = c 2
c = a + b
c 2 = a 2 = b 2
b 2 - c 2 = a 2

Which statement is true 1.the pythagorean theorem can be used to find the missing side of any triangle 2.the pythagorean theorem can be used to find the missing side of any polygon 3. the pythagorean theorem can be used to find the missing side of any right triangle 4.the pythagorean theorem can be used to find the missing side of any isosceles triangle

Which of the following contains a variable?

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)