Question
The area of an equilateral triangle is 400√3 sq m. Its
perimeter isÂSolution
Area of an equilateral triangle = √3/4 a2 =400√3 or a2  =1600 or a = 40m so perimeter of the ∆ = 3a = 3 × 40 =120m
More Geometry Questions
I. 3p2Â - 11p + 10 = 0
II. 42q2Â + q -1 = 0
I: √(100 x4 + 125x4) + 7x + 41/2 = -4x
II: 3√(64y3) x 2y + 19y + 72 = -3y +...
I. 15y2 + 26y + 8 = 0
II. 20x2 + 7x – 6 = 0
I. x2 - 4x – 21 = 0
II. y2 + 12y + 20 = 0
I.√(3x-17)+ x=15
II. y + 135/y=24
I.8(x+3)+ 8(-x)=72Â
II. 5(y+5)+ 5(-x)=150Â
- For what value of a does the quadratic equation x² + ax + 81 = 0 have real and identical roots?
I. 3x2Â + 3x - 60 = 0Â Â Â Â Â
II. 2y2Â - 7y + 5 = 0Â
I. (4x-5)3Â +Â 1/(4x-5)3Â = 2
II. 2[(y+1/y)2- 2]- 9(y+1/y)= -14
The roots of x² − (k+3)x + (3k − 1) = 0 are real and distinct, and the larger root exceeds the smaller by 5. Find k.
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