Times each number by 4 in the columns
Answer:

Step-by-step explanation:
Given

Required
Solve
Using sine rule, we have:

This gives:

So, we have:

In radical forms, we have:


Take LCM

Rewrite as:

Hence:

Answer:
1/3 of an hour
Step-by-step explanation:
1 hour=60 minutes
60÷20=3
A-1538=1074
a=1538+1074
a=2612
b+718=1074
b=1074-718
b=356
2000-c=1074
c=2000-1074
c=926
2612-356+926=3182
Answer:
A= 7
B= 154
Step-by-step explanation:
A: the radius is half of the diameter
B: pie*radius to the second power