Question

A radio station broadcasts a signal over an area with a 77 km radius . What is the area of the region that receives the signal ? [Take π=22upon 7
]

Answer 1

Answer:

18,634km^2

Step-by-step explanation:

Area of of the region =

$\pi \times r {}^{2}$

=22/7 × 77 × 77

=22 × 11 × 77

=18634 km^2

Answer 2

Answer:

18634 km ^2

Step-by-step explanation:

area= πr^2

area = 22/7*77*77

area = 18,634 km^2