Please help as soon as possible

26.28

Step-by-step explanation:

First, add the side lengths of what you know. 6 + 6 + 8 = 20.

Then, find the circumference of the circle, BUT make sure you divide it by 2 because it is a semicircle in the figure.

The formula is 2r, so plug in the radius = 2

So the circumference is 4, then divide by 2 to get 2

20 + 2 = 26.28

answer: t=3

step-by-step explanation:

the answer is b