Question

solve it: the perimeter and area of a parallelogram with equal sides are 36cm and 90 cm2 respwctively.its altitude is? ( with solution)
Plzz answer it it is was urgent

Answer 1

Perimeter of parallelogram = 2×(sum of two adjacent sides)
Let the adjacent sides be a and b.
So, A/Q⇒ 2×(a+b)=36
(a+b)=18..............[36 canceled out by 2]

→it is given that all opposite and adjacent sides are equal.
So, 2a=18..........(adjacent sides are equal)
a=9

We know that the area of ||gm= a×h
Here h representing altitude.
So, 9×h=90
h=90/9
h=10 cm

Altitude of ||gm is 10 cm.