How do you simplify `\sqrt{\frac{9}{4}}` without using a calculator?

Related questions

• What are square roots?
• How do you simplify square roots that are irrational?
• How do you find a square root of a decimal?
• How do you find a square root of a fraction?
• How do you estimate square roots?
• What is the square root of 100?
• What is the square root of 25?
• What is the square root of 1?
• How do I know if a square root is irrational?
• Why are square roots irrational?