Triangle ABC is shown below. It’s original lengths are multiplied by 150%. What is the new perimeter of A’B’C?

Answer: 12757.5cm²
Step-by-step explanation:
A is 20cm x 150% =30cm
B is 9cm x 150% =13.5cm
C is 21cm x 150% =31.5cm
30cm x 13.5cm x 31.5cm= 12757.5cm²