Find the value of side a on the right triangle, given that side b = 12 cm and side c = 15 cm. a) 3 cm b) 9 cm c) 25 cm d) 27 cm

B=9

Step-by-step explanation:

9 cm. It is a right triangle so you must use the Pythagorean Theorem to find the missing side: a2+ b2 = c2. You would have a2 + 122 = 152. So a2 + 144 = 225 where you subtract 144 from each side to get a2 = 81. Then you take the square root of both sides to get a = 9.

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