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1 answer:
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Answer:
Option (4)
Step-by-step explanation:
Let x =
= (x)(x)(x)(x)
=
= x⁴
Now we substitute the value x =
x⁴ =
x⁴ = 7
Therefore, Option (4) will be the answer.
All sides are equal in an equilateral triangle and the perpendicular bisects the side too.
so BC will be bisected and the segments be 5 each.
you can use Pythagoras theorem to find the altitude length, hypotenuse will be one side of the triangle.
$h^2=100-25=75$
$h=\sqrt{75}=5\sqrt3$