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Answer:
Step-by-step explanation:
2.5 surface area
Answer:
139 degrees
Step-by-step explanation:
we only have a central angle here (angle at the center of the circle).
and that angle remains the same along these 2 lines all the way out to the circle arc (and beyond, wherever these 2 lines take us).
so, if there is nothing missing in this graph, then x is the same as the inner angle : 139 degrees
1 is SAS 2 is AAS 3 i believe SAS and 4 is SSS