Using the inverse trig functions, find the measure of angle A to the nearest degree. 1. 43 degrees
2. 37 degrees
3. 90 degrees
4. 53 degrees

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Classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular. a.heptagon, regular b. heptagon, not regular c. octagon, regular d. octagon, not regular

Let r = 3. what is the value of r + 58?