60 points! A designer builds a model of a sailboat. The finished model is exactly the same shape as the original, but smaller. The scale factor is 2:13.
(a) Find the ratio of the volume of the model to the volume of the original.
(b) Find the ratio of the surface area of the model to the surface area of the original.
(c) Find the ratio of the width of the model to the width of the original.
Write these ratios in the format m:n.
volume:
surface area:
width:

There is no way for us to put in WHOLE number of pi, since it has infinite digits.

But here's the first 1,000 digits of pi:

3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819644288109756659334461284756482337867831652712019091456485669234603486104543266482133936072602491412737245870066063155881748815209209628292540917153643678925903600113305305488204665213841469519415116094330572703657595919530921861173819326117931051185480744623799627495673518857527248912279381830119491298336733624406566430860213949463952247371907021798609437027705392171762931767523846748184676694051320005681271452635608277857713427577896091736371787214684409012249534301465495853710507922796892589235420199561121290219608640344181598136297747713099605187072113499999983729780499510597317328160963185950244594553469083026425223082533446850352619311881710100031378387528865875332083814206171776691473035982534904287554687311595628638823537875937519577818577805321712268066130019278766111959092164201989

But you probably only need like first two digits (which is most common shorten pi):

3.14