Question

the perimeter of a rhombus is 16 cm . its area is 12 sq cm . fimd its altitude

Answer 1

4a=16
a*a=12
altitude

Answer 2

The side length of that rhombus is $\frac{16}{4} =4$ cm.
Its area is 12 $cm^{2}$ = its altitude × its side length
⇒ its altitude = $\frac{12}{4} =3$ cm.

Answer: 3 cm.