Which of the lines would be parallel y=3x-5, y=-2x+7, y=-3x+1, y=1/3x-5, y=- 1/3x+1, y= 3x+5
1 answer:
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Answer
Find out the altitude of the equilateral triangle .
To proof
By using the trignometric identity.
As shown in the diagram
and putting the values of the angles , base and perpendicular
solving
As
put in the above
a = 4 × 3
a = 12 units
The length of the altitude of the equilateral triangle is 12 units .
Option (F) is correct .
Hence proved