Answer: 50.4537849152
Hope this helped!


To find the value of
, we need to isolate it on one side of the equation. Add
to both sides of the equation, then multiply both sides of the equation by
.

Answer:
Step-by-step explanation:
1. add the side lengths

Answer is in the pic above. Theorems used:
Exterior angle theorem
Inscribed angle theorem.
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