The following problems can be solved by writing commands in the command window. 7 7. (a) Calculate angle y(in degrees) using Laws of cosines417a=5, b = 7, c = 10c? = a? + b? – 2ab cos y.(b) Calculate the radius of the circle inscribed in thetriangle using the formula;ab(1) r= (a+ b – c)tan;).(i) r=2s-a)(s-b)(s-c)s(s-(ii) r=글 (a + b + c).where s =S

In order to solve this question we need to use the given formulae and calculate the appropriate…

Answered: 7. (a) Calculate angle y(in degrees)…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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7. (a) Calculate angle y(in degrees) using Laws of cosines J 41 a=5, b = 7, c = 10 c? = a? + b? – 2ab cos y. (b) Calculate the radius of the circle inscribed in the triangle using the formula; (1) r=}(a +b - c)tanG1). s(s-a)(s-b)(s-c) (a + b + c). (ii) r =Y where s =