Q.

Equations of the diagonals of a rectangle are y + 8x – 17 = 0 and y – 8x + 7 = 0. If the area of the rectangle is 8 sq. units, then the equation of the sides of the rectangle is/are

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

y = 9

b

xy = 1

c

x – 2y = 3

d

x = 1

answer is A, C.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

detailed_solution_thumbnail

The intersection point of the given diagonals is P32,5

Equation of angular bisectors of the diagonals are y+8x-1765=±y-8x+765

x=32 and y=5

Let length of BC be a and that of CD be b          

Question Image

Then tan q =a/2b/2=ab=8

Also ab = 8

Þ  a = 8, = 1.

So equations of sides are y = 1, y = 9, x = 1 and = 2.

Watch 3-min video & get full concept clarity

tricks from toppers of Infinity Learn

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon