Question

the perimeter of a rectangle is 15cm and its width is 3cm. Find its area.

please explain with formulas

Answer 1

Answer:

width=3cm

perimeter=15

length=15-3=12

area=length*width

area=12*3

area=36

plz mark as brainliest

Answer 2

Answer:

area of a triangle= 15 cm

area of rectangle is equal to length into breadth

so

15=length into 3cm

15

______=length

3

5cm=length