What is the best approximation for the perimeter of a semicircle with a diameter of 12 cm?

use 3.14 to approximate pi.

18.84 cm

30.84 cm

61.68 cm

75.36 cm

Option 2

Step-by-step explanation:

if you multiply by 1/2 by pi times diamter give you 18.84 plus 12 would give you 30.84

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5