the triangle shown. ? 20 a 16 ? sin(?) = sin(?) =
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Step 1:** Use the Pythagorean theorem to find side A: \[a^2 + 16^2 = 20^2\] \[a^2 + 256 = 400\] \[a^2 = 144\] \[a = \sqrt{144}\] \[a = 12\] ** Show more…
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