C = pi * d
a = pi * (d/2)^2
Answer:
Hope this helps
Step-by-step explanation:
a) <e and <c
b) <c and <b
c) <c and <a
d) <c and <b, <c and <d, <d and <e, <e and <a, <a and <b
e) c = 30, a = 90, b= 60, e= 30, d= 150
(8/9-3/9)*2/3=5/9*2/3=10/27
An example of the ratio 4:1 could be, in a school for every 4 girls there is 1 boy. Or something similar:)
Answer:

Step-by-step explanation:
Given: 
To find: 
Solution:
From the image, 
Put 


Therefore,
