Identify Angles in Plane Figures

Which two lines are best described as intersecting but NOT perpendicular?

• LN and GH

• CD and GH

• RS and CD

• RS and GH

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Angle 6 and Angle 7 are examples of which type of angle?

• right

• acute

• obtuse

• straight

Which of the following is an example of straight angle?  (Must share the same vertex.)

•  $\angle8\ and\ \angle4$  

•  $\angle5\ and\ \angle7$  

•  $\angle1\ and\ \angle7$  

•  $\angle3\ and\ \angle5$  

 $\angle1\$ and  $\angle2$    are __.

• straight angles

• obtuse angles

• acute angless

• right angles

• None of these

 $\angle1$  and  $\angle7$   are __.  

• straight

• right

• obtuse

• acute

• None of these

 $\angle3$  and   $\angle5$  are ___.  

• obtuse

• right

• acute

• straight

• None of these

 $\angle3\$  and   $\angle2$   are ___.  

• acute

• right

• obtuse

• straight

• None of these

 $\angle4$  and  $\angle8$  are ___.  

• are acute angles

• are not the same angle

• are straight angles

• are right angles

• None of these