A standard unit of measurement is a quantifiable language that helps everyone understand the association of the object with the measurement. It is expressed in inches, feet, and pounds, in the United States, and centimeters, meters, and kilograms in the metric system.
Answer:
7.5cm
Step-by-step explanation:
15²=225cm²
225/5=45
45*4=180cm²
180/24=7.5
7.5cm should be your answer. If not, I am sorry.