EDGE Math 8

Refer to the given figure. Use the Exterior Angle Inequality Theorem to complete each statement. Choose your answer.

1.	If $b = 50 °$ and $c = 20 °,$ then d __________.

< 105 °

> 105 °

= 90 °

> 50 °

< 90 °

= 130 °

Answer: $> 50 °$

2.	If $a = 90 °$ and $c = 20 °,$ then d __________.

< 105 °

> 105 °

= 90 °

> 50 °

< 90 °

= 130 °

Answer: $= 90 °$

3.	If $b = 52 °$ and $c = 78 °,$ then d __________.

< 105 °

> 105 °

= 90 °

> 50 °

< 90 °

= 130 °

Answer: $= 130 °$

4.	If $a = 90 °,$ then b __________.

< 105 °

> 105 °

= 90 °

> 50 °

< 90 °

= 130 °

Answer: $< 90 °$

5.	If $d = 105 °,$ then c __________.

< 105 °

> 105 °

= 90 °

> 50 °

< 90 °

= 130 °

Answer: $< 105 °$

/ 5