Question

in a square ABCD, if AB = (2x - 4) cm and BC = (x + 5) cm , find the value of x . Also, find the length of each side of the square.

Answer 1

Answer:

In square, ABCD, AB=BC=CD=AD

∴3x−8=x+6⇒3x−x=6+8⇒2x=14

x=7

∴AB=3×7−8=13cm

Length of each side of square =13cm.

Answer 2

Answer:

2x-4=0

2x=4

x=2

put value of x in (ii)

2 + 5 = 7

so, x=7

AB= 2x-4

=2*7-4

=14-4

so,AB= 10sq.units

lly, BC=7+5= 12 sq.units

Now, BC= AD=12 sq.units ( opp. sides of a square are equal)

lly, AB= CD=10 sq. units

Step-by-step explanation:

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