Which segments, if any, appear to be: Angle bisectors? BELLWORK Which segments, if any, appear to be: Angle bisectors? Perpendicular bisectors? Medians? Altitudes? A B C E F R S T U J K L M H G NL=GN N

Rationalize the radical expression

Unit 5 – Triangle Properties 5.7 Pythagorean Thm a2 + b2 = c2 x 8 17

classify the triangle by its angle measure. Unit 5 – Triangle Properties 5.7 Pythagorean Thm classify the triangle by its angle measure. 24, 26, 10 3.8, 4.1, 5.2 5, 17, 12 5, 10, 7

What if c2 < a2 + b2 ? What if c2 > a2 + b2 ? Unit 5 – Triangle Properties 5.7 Pythagorean Thm What if c2 < a2 + b2 ? What if c2 > a2 + b2 ? So if I give you the side lengths of a triangle you can determine if it is an acute, right or obtuse triangle.

Unit 5 – Triangle Properties 5.7 Pythagorean Thm Tell if the measures can be the side lengths of a triangle. If so, classify the triangle as acute, obtuse, or right. 5, 7, 10 3.8, 4.1, 5.2 24, 26, 10

Unit 5 – Triangle Properties 5.7 Pythagorean Thm Find the value of x. 2. An entertainment center is 52 in. wide and 40 in. high. Will a TV with a 60 in. diagonal fit in it? Explain. 112 3. Mrs. Mack wants Mr. Mack to build a picture frame. She wants the ratio of the length to the width to be 3:1 and the diagonal to be 12 inches. How tall and wide should the frame be? Round to the nearest tenth of a inch. x2 + (3x)2 = 122 10x2 = 144 x = 3.8 3.8, 11.4

Homework: 5.7 Pg 364: 31,33,35,42,43,47 Unit 5 – Triangle Properties 32) 2√5 42)30+6 √5,90 50)11