A 8 For the concentric circles shown, ABis tangent to the inner circle and a chord of the outer circle. If the radius of the inside circle is 5 and of the outer circle is 13, find AB. 8. b. 12 а. 8 d. 24 с. 16

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Q: 16. Find the value of each a) interior and b) exterior angle of a regular nonagon

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Q: Use the Pythagorean Theorenm to find the length of the missing side. Then find sin 0. Give an exact…

A: We use Pythagoras theorem  (Hypotenuse)2 = (perpendicular)2 + ( Base)2