Central Angles and Inscribed Angles III 

Project ID: 
7300020123
Accepted: 
SubArea: 
Type: 
Layout: 
Question: 
Calculate the measure of the angle $\alpha$ and match it to the corresponding result.
Questions Title: 
Pictures:
Answers Title: 
Results:
Question 1 Image: 
Answer 1: 
$25^{\circ}$
Question 2 Image: 
Answer 2: 
$40^{\circ}$
Question 3 Image: 
Answer 3: 
$31^{\circ}$
Question 4 Image: 
Answer 4: 
$50^{\circ}$
Question 5 Image: 
Answer 5: 

$70^{\circ}$

Question 6 Image: 
Answer 6: 
$60^{\circ}$