The radius of Matilda's bracelet is 2.784 inches
Step-by-step explanation:
Given,
The circumference of Matties bracelet is = 7 inches
The bracelet of Matilda is 2.5 times of Matties's bracelet
So, the circumference of Matilda's bracelet = 2.5 × 7 inches = 17.5 inches
To find the radius of Matilda's bracelet
Formula
The circumference of circle of radius(r) = 2πr inches
According to the problem,
2πr = 17.5
or, r =
= 2.784 inches (approx)