# Geometry Chapter 8.  We are familiar with the Pythagorean Theorem:

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Geometry Chapter 8

 We are familiar with the Pythagorean Theorem:

 For each triangle, use the Pythagorean theorem to find the length of the hypotenuse. Leave the answer in simplest radical form. 2 2 5 5 4 4

 solve for the missing sides – leave you answer in radical form.

 Homework: 420 (1-25) odd  428 (1-15) odd

 Warm Up

 For each pair of complementary angles ∠A and ∠B, there is a family of similar right triangles.  In each family the ratio:  is constant no matter the size of ∆ABC

 This trigonometric ratio is called the tangent ratio.

 One way to remember which ratio corresponds to each trig function is to remember the word: SOH-CAH-TOA  SOH: sine opposite over hypotenuse  CAH: cosine adjacent over hypotenuse  TOA: tangent opposite over adjacent

 homework  page 441 (1-16) all  page 447 (1-14) all  Chapter 8 test next week Tuesday/Wednesday

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