Answer:
a) 1st and 2nd
b) 4th one
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given is a right angled triangle in which third side is the hypotenuse.
Therefore, by Pythagoras theorem:

a and d b and c that's the answer
Answer:
no
Step-by-step explanation:
75:3=25:1
140:4=45:1
He walks 7,300 miles in 1 year