Question

Given the two concentric circles with center N below, LN = 13.5. Find the area of

the shaded region. Round your answer to the nearest tenth if necessary.

Answer 1

371.54 sqr units

Explanation:

area of a circle=πr²

area of inner circle=3.142×8×8=201.088 square units.

area of outer circle = 3.142×13.5×13.5=572.6295 square units

572.6295-201.088=371.5415 square units

=371.54 sqr units