Question

Find the missing length of the triangle. 9 mm 15 mm W b= mm

Answer 1

Answer:

b = 12mm

Step-by-step explanation:

Using pythagoras theorem, you will be able to find the answer.

a² = b² + c²

15² = b² + 9²

b² = 15 ² - 9²

b² = 144

b = $\sqrt{144}$

∴ b= 12mm