Over Lesson 8–1

Find the geometric mean between 9 and 13.

A. 2

B. 4

C.

D.

Over Lesson 8–1

A.

B.

C.

D.

Find the geometric mean between

Over Lesson 8–1

Find the altitude a.

A. 4

B.

C. 6

D.

Over Lesson 8–1

Find x, y, and z to the nearest tenth.

• Review how to use the Pythagorean Theorem.

• Identify Pythagorean triples

• Determine types of triangles using the converse and inequalities of the Pythagorean Theorem.

8.2: Pythagorean Theorem

#1:

Find the value of x.

#2:

Find the value of x.

#3)

Find the value of x. #4)

Find the value of x.

#5:

Determine whether 9, 12, and 15 can be the measures of the sides of a triangle. Then, determine if it is a right triangle

Group 1: 30, 40, 50 Group 2: 6, 12, 18

Group 3: 10, 11, 20

Group 5: 5, 12, 13 Group 6: 7, 14, 16

#10: •Determine whether 10, 11, and 13 can be the measures of the sides of a triangle. If so, classify the triangle as acute, right, or obtuse. Justify your answer.

A. yes, acute

B. yes, obtuse

C. yes, right

D. not a triangle

#11. Determine whether the set of numbers 7, 8, and 14 can be the measures of the sides of a triangle. If so, classify the triangle as acute, right, or obtuse. Justify your answer.

A. yes, acute

B. yes, obtuse

C. yes, right

D. not a triangle

#12. Determine whether the set of numbers 14, 18, and 33 can be the measures of the sides of a triangle. If so, classify the triangle as acute, right, or obtuse. Justify your answer.

#13) Solve for x. #14) Solve for x.

Homework:

p.552 #11-13, 24-28, 38-39