I think that the answer would be two triangles.
If an ostrich can run 50 miles in one hour then he can run 12.5 miles in 15 minutes. 15 minutes is 1/4 of an hour. Multiply 50 by 0.25 = 15.
Find the circumference which is 2*3.14*13 and then usethe central angle formula
Answer: (a)
Step-by-step explanation:
Given
Clearly, 
is obtained by shifting 
3 units down and multiplying it by a certain factor to amplify it.
Checking the option which is 3 units below and multiplying by a factor
option (a) is meeting both the cirterias.
