Question: 19. For the triangle shown. =72. =43, and its perimeter is p=114 mm. Define a, , and p, as variables, and then: (a) Calculate the

19. For the triangle shown. =72. =43", and its perimeter is p=114 mm. Define

a, , and p, as variables, and then:

(a) Calculate the triangle sides (Use the law of sines).

(b) Calculate the radius of the circle inscribed in the triangle using the formula: (s-as-bys-c) where s (a+b+c)/2.

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