87 What is the length of an altitude equilateral triangle of side sang an
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Answered by
0
Answer:
don't know sorry
don't know sorry
Answered by
0
Answer:
ABC is an equilateral triangle side =2a
AB=AC=BC=2a
In ΔACM
sin60
∘
=
AC
CM
2
3
=
2a
CM
CM=2a×
2
3
CM=
3
a
altitude =CM=
3
a
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