Question: solve it by matlab please. 16. The three shown circles, with radius 15 in., 10.5 in., and 4.5 in., are tangent to each other (a)

solve it by matlab please. solve it by matlab please. 16. The three shown circles, with radius

16. The three shown circles, with radius 15 in., 10.5 in., and 4.5 in., are tangent to each other (a) Calculate the angle (in degrees) by using the law of cosines. (Law ofcosines: c2=a2+b2-2abcos ) (b) Calculate the angles and (in degrees) using the law of sines. (c) Check that the sum of the angles is 180

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