The answer to the first part is 3 1/2 and the answer to the second question is 2/7
Answer:
3/4
Step-by-step explanation:
2/3a-1/6=1/3
2/3a=1/3+1/6
2/3a=3/6
2/3a=1/2
a=1/2X3/2
a=3/4
Answer:
5 triangles maybe?
Step-by-step explanation:
Answer:

multiply either sides by 3:

divide either sides by πr² :

Answer:
Sure
Step-by-step explanation: