ABC is an equilateral triangle with side a. AD is an altitude. Find the value of AD2.
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Answer:
Isko AD² ya AD too likho jo samaj me aajaye
Step-by-step explanation:
In ∆ABC,
AB=BC=AC= a (given)
In ∆ABD,
AB²=AD²+BD²
(a)²=AD²+(a/2)²
a²=AD²+a²/4
a²-a²/4=AD²
4a²-a²/4=AD²
3a²/4=AD² .......(AD² value).
(√3a²/4)=AD
a√3/2=AD ......(AD value).
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