find the length of BD if ad is equal to 8 cm and ab is equal to 10 cm
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Step-by-step explanation:
Given : AB = 10cm
AD = 8cm
To find : BD = ?
Solution:
In ∆ADB, Angle D = 90°
by Pythagoras theorem
AB^2 = AD^2 + BD^2
BD^2 = AB^2 - AD^2
= (10)^2 - (8)^2
= 100 - 64
BD^2 = 36
BD = 6cm
Therefore, the length of BD us 6cm.
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