The measurements of 2 rectangles are:

(a) length 24cm and width 18cm.

(b) length 48cm and width 14cm.

Find:

(1) The ratio of their areas.

(2) The ratio of their perimeters.

please show all working out

Printable View

- Mar 8th 2010, 07:53 AMtinagreg13ratio and proportion
The measurements of 2 rectangles are:

(a) length 24cm and width 18cm.

(b) length 48cm and width 14cm.

Find:

(1) The ratio of their areas.

(2) The ratio of their perimeters.

please show all working out - Mar 8th 2010, 10:51 AMhollywood
There's no trick - you have to calculate the area and perimeter of both rectangles and take the ratio:

(1)

(2)

I'll let you substitute the lengths and do the calculations.

Post again of you're still having trouble.