Fine the lowest common multiple of90 and 150

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

Find the solutions for a triangle with a =16, c =12, and b = 63º

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined