1/3b = 4/5
Do the cross multiplication
1(5) = 3b(4)
5=12b
<span>b=5/12</span>
Answer:

Step-by-step explanation:
a) 
b) 
c) 
d) 
e) 
f) 
Answer:6
Step-by-step explanation:
since it is A half circle it is the hhalf Value of the area of the full circle
Answer:
Step-by-step explanation:
Huhuj