Question

triangle ABC is right angled at A. AD up tack BC and Ab =5 cm ac = 12 cm BC = 13 cm . find the length of perpendicular AD​

Answer 1

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Answer 2

Step-by-step explanation:

Here , AB=5cm, AC=12cm ,BC=13cm

DC=1/2×13

DC=6.5cm

In ∆ADC,<ADC=90°

AC2 =AD2+DC2

(12)2 =(6.5)2+DC2

144= 42.35+DC2

144-42.35=DC2

DC2 =40.91

DC =√40.91