The altitude of an equilateral triangle having 7 metres
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Answer:
6.06m
Explanation: equilateral triangle means all the three sides and three angles are same
the sum of interior angle of a triangle is 180 degree
that is the one angle is 180/3 = 60 degree
taking trigonometry
hypoteneous is 7 m
base is 7/2 = 3.5m
sin 60 = perpendicular/ hypotenious
here perpendicular is altitude
value of sin 60 is root3/2
that is root 3/2 = altitude / 7
that is altitude = 7root3/2 = 3.5root3 m = 6.06m
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Answer:
3.5√3
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