Option D. 17/10 or 1.7 is correct or 1 7/10 is also correct :)
Answer:
Step-by-step explanation:
The figure is made up of a square with side 4 cm and 3 semicircles of radius 2 cm.
A = area of square + area of 3 semicircles
A = (4 cm)^2 + 3 * (1/2) pi * (2 cm)^2
A = 16 cm^2 + (1/2) 12pi cm^2
A = (6pi + 16) cm^2
Answer:
the time Ari spent to walk is

the time Beth spent to walk is

the time Cathy spent to walk is 1h21' = 1.35(h)
so the time Ari spent > Cathy > Beth
=> list: Beth, Cathy, Ari