Area =
so if the diameter is 16, radius (r) = 8
3.14 * 8^2 = 3.14*64 = 200.96 is the approximate area
If you're looking for the answer in terms of pi, 64pi is the answer.
You have to use the fact that 
for any value of 
. So
where 
is the positive acute angle you're looking for.
A group of young men decided to raise Ksh.480000 to start a business. Before actual payment was made four members pulled out and each of the remaining had to pay an additional Ksh.20000. Write an expression in terms of P for.
(a) (i) Original contribution of each member.
(ii) Contribution after withdrawal of four members.
(b) Form an equation in P and hence determine the number of initial members.
(c) Three men Kamau, James and Hassan shared Shs.480000 such that Kamau: James is 3: 2 and James: Hassan is 4: 2. Find how much each got.
153 000 = 100 000 + 50 000 + 3 000
you have to use the distance formula with the points and then add the distances
