Question

ABC is a right angled at B AB=4cm and AC=5cm then BC=?

Answer 1

Answer:

BC= 3cm

Step-by-step explanation:

Using Pythagoras Theorem,

Hypotenuse²= Perpendicular²+ Base²

AC²=AB²+BC²

5²=4²+BC²

25=16+ BC²

25-16= BC²

9= BC²

3= BC

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Answer 2

Answer:

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