Start by adding 2 to both sides to get 3r^2 = 48. then divide both sides by 3 to get r^2 = 16. square root both sides to get r = 4.
It would be 1 inch and 15 degree arc due to the act that the radius is half.
Answer:
4-9=-5
Step-by-step explanation:
do the work you get that
3×5 is 15
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