in triangle abc angle b=90,AB=4,AC=5,BD is perpendicular to AC from B, then BD=?
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Answer:
BD=2.4
Step-by-step explanation:
ABC is a right angled triangle
then we get BC= 3.
Area of ∆ABC= 1/2 bh= 1/2 × 3×4 =6sq units
with AC as base
Area of ∆ABC= 1/2 bh= 6
1/2 × 5× BD = 6
BD= 6×2/5 =12/5 = 2.4
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