Answers
Step-by-step explanation:
hope it will help you mark as brainlyst .
☞︎︎︎A line AB forms a triangle with coordinate axes of area 54√3 [ I think you did mistake in typing area of triangle may be 54√3 , for better calculation , btw you can do with your mentioned too . But I am using 54√3 unit²] square unit and also perpendicular drawn from the origin to the line makes an angle of 60° with x -axis as shown in figure.
area of triangle = 1/2 × height × base
see attachment, height = a and base = b
then, area of triangle = 1/2ab = 54√3 ⇒ab = 108√3 ------(1)
Now, Let P is the length of perpendicular drawn from origin to line
Then, cos60° = P/b ⇒b = P/cos60° = 2P
cos30° = P/a ⇒a = P/cos30° = 2P/√3
Now, put a and b value in equation (1),
4P²/√3 = 108√3 ⇒P² = 108 × 3
P = ±18 , but we have to take only P = 18 because triangle is in 1st quadrant .
a = 2P/√3 = 36/√3 = 12√3
b = 2P = 36
so, equation of line : cos60°x + sin60° y= P
x + √3y - 36 = 0
Hence, equation of line : x + √3y -36 = 0