Question

which unit of measure would be appropriate for the area of a picture that is 20 cm tall and 15 cm wide ?

Answer 1

square centimeters or cm^2

Explanation:

area is measured in square units. Since this picture is in cm, it's square cm, because it's length (or height, here) x width.

20 cm x 15 cm = 300 cm^2

Answer 2

300 cm squared. / area = length x width