plz hlp me calculate the scale factor of ABC to XYZ. Enter answer as a whole number or as a fraction in lowest terms using the slash mark (/) for the fraction bar

The scale factor is 1/5

Step-by-step explanation:

Each of the lengths of the lengths of this triangle are divided by 5 (or multiplied by 1/5)

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

step-by-step explanation: