Math 11 - Lesson 3.1C: Angles between lines, line & a plane

Calculate the angle that AG makes with the face ABCD.

• 15.6 $\degree$  

• 13.7 $\degree$  

• 17.1 $\degree$  

• none of those

• 14.9 $\degree$  

Find the angle that the face AEFB makes with the line AG.

• 63.4 $\degree$  

• 64.3 $\degree$  

• 32.8 $\degree$  

• none of those

• 29.8 $\degree$  

The diagram shows a rectangular-based right pyramid ABCDE. The height of the pyramid is 8 cm. The base is 5 cm long and 4 cm wide. Calculate the angle AEC.

• 43.6 $\degree$  

• 136.4 $\degree$  

• none of those

• 88.2 $\degree$  

• 103.6 $\degree$  

Name the angle between line HB and base ABCD

• ∠HBA

• ∠HBC

• ∠HBD

• ∠HDB

• none of those

Angle between the line BH and plane ABCD is....

• ∠HBA

• ∠HAD

• ∠HCA

• ∠HBD

• none of those

• 77.8 $\degree$

• 31.3 $\degree$

• 98.1 $\degree$

• 66.6 $\degree$

• none of those

if a = 3 in., b = 12 in., and c = 4 in., what is the length of d rounded to the nearest hundredth of a foot?

• 12.65 in.

• 5 in.

• 14 in.

• 12 in.

• none of those

• 7 ft

• 5 ft

• 3 ft

• 2 ft

• 6 ft

Find a.

• 50

• 50√2

• 25√2

• 45.9

• none of those

Part A

• $\sqrt{70}$

• $\sqrt{45}$

• $\sqrt{61}$

• $\sqrt{54}$

• none of those