Math 100/101 Unit 9 Test

What type of triangle has sides of 8, 11 and 15?

• Equi-angular

• Obtuse

• Right

• Acute

What is √121 (the square root of)

• 9

• 10

• 11

• 12

Find the length of C for a right triangle where:

a = 9 and b = 12

• c = 21

• c = 225

• c = 441

• c = 15

What type of triangle has sides of:

15, 36 and 39

• Equi-Angular

• Obtuse

• Right

• Acute

Find the length of b when side a = 12 and side c = 20

• b = 8

• b = 13

• b = 15

• b = 16

Find the midpoint between points:

(8, 14) and (2, 10)

• (6, 7)

• (10, 24)

• (20, 48)

• (5, 12)

Find the midpoint between the points:

(-6, -3) and (8, -7)

• (2, -10)

• (1, -5)

• (2, -2)

• (14, 10)

 $Which\ number\ is\ closest\ to\ \sqrt{72}?$  

• 7

• 8.5

• 9.1

• 7.4

 $What\ circle\ is\ used\ to\ graph\ 2x\ +\ 3\ \le21?$  

• Closed

• Open

What type of triangle has sides of:

10, 16, and 18 ?

• Equi-Angular

• Obtuse

• Right

• Acute