Identify the postulate (SAS, ASA, SSS) / theorem (AAS) that proves the two triangles are congruent.
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Answer:
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