A rain drop hitting a lake makes a circular ripple.. if the radius, in inches,, grows as a function of time in minutes according

Question

2 years ago

10

to R(t)=20sqrt(t+2), find the area of the ripple as a function of time. What is the area of the circular ripple at t=2?

1 answer:

Goshia [24] · Answer 1 · 2023-10-01T16:46:10+03:00

5 0

Answer:

Step-by-step explanation:

Area A(t) = πR² = π x 400 (t + 2) = 400π (t + 2)

A(2) = 400π (2 + 2) = 1600π = 5026.5 in²