astronut55 astronut55

21-03-2021
Mathematics

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In a right-angled triangle ,right angled at B,if AB=5cm andAC=13cm ,then BC=

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21-03-2021

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ADVENTUROUSBOY ADVENTUROUSBOY

21-03-2021

Answer:

BC = 12cm

Step-by-step explanation:

by phythagoras theorm

AB² + BC² = AC²

5² + BC² = 13²

25 + BC² = 169

BC² = 169 - 25

BC² = 144

BC = √144

BC = 12cm

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