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In a Right Triangle Leg Leg

p.687 **Big Idea**: If triangles are similar, then the ratios of any two corresponding sides are equal. Today we are looking at the ratio of the opposite side to the adjacent side of a right triangle.

True or False? 1. All right triangles are similar. 2. All right triangles with a 40o angle are similar. 3. All right triangles with a 40o angle are similar to all right triangles with a 50o angle.

p.688 Opposite = across from Adjacent = next to

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Find the value of tan 27° on a calculator. p.689 Find the value of tan 27° on a calculator.

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If x + 5 = 21, how would we find x? If w2 = 36, how would we find w? If tan A = 7.11, how would we find A? If tan J = , how would we find J?

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