Question

Find the missing side of the triangle

Answer 1

Answer: x = 24

Step-by-step explanation:

Use the Pythagorean Theorem:

$x^{2}+18^{2}=30^{2} \\x^{2} = 30^{2}-18^{2}\\x=\sqrt{30^{2}-18^{2}}=\sqrt{900-324}=\sqrt{576} =24$