Question

ABC is a triangle….right angled at B.If AB=20cm.and BC= 21cm, find AC?​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

AB=20cm  BC=21cm AC=?

APPLYING PYTHAGORAS THEOREM,

AC²=BC²+AB²

AC²=20²+21²

AC²=400+441

AC²=841

AC=√841

AC=29cm

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