In traingle ABC , angle B=90° , seg BD perpendicular side AC . if DC=10cm, BD=20cm find AD
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Answer: traingle ABC , angle B=90° , seg BD perpendicular side AC
DC=10cm, BD=20cm
To Find : AD
Solution:
BD ⊥ AC
ABC is right angled triangle at B
=> CD * AD = BD²
CD = DC = 10 cm
AD = ?
BD = 20 cm
=> 10 * AD = 20²
=> AD = 40 cm
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