find the attitude of an equadriletral triangle whose side is unite
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2
Step-by-step explanation:
Height of an equilateral triangle =
root 3/2×side
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0
ANSWER
Each angle of equilateral △ is 60
∘
.
⇒∠B=60
∘
Let AD be the altitude.
Now in △ABD, we have
AB
AD
=sin60
∘
⇒
a
AD
=
2
3
⇒AD=
2
3
a
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