Question

A rectangle has length 72 cm and width 56 cm. The other rectangle has the same area as this one, but its width is 21 cm.

Find the constant of variation.

Answer 1

4032

Explanation:

56*72 = 4032

hope this helps

Answer 2

A = l*w

A = 72* 56

A= 4032

4032 = L*21

4032/21 =L

L =192

scale factor:

w1/w2

56/21

divide top and bottom by 7

8/3