PYTHAGORAS-1

Find the length  AC. [Diagram not to scale]

Suluhu

We will use the PYTHAGORAS theorem [ a² + b² = c² ]

a² + b² = c²

AB² + BC² = AC²

3² + 4² = AC²

9 + 16 = AC²

25 = AC² [Here, we find the square root of 25]

5 = AC

Hence AC = 5mm