Find the value of c in a triangle if the semi perimeter is 13 and the

1.	Find the value of c in a triangle if the semi perimeter is 13 and the values of a and b are 8 and 7 respectively.
Answer» ⠀⠀ıllıllı uoᴉʇnloS ıllıllı $\setlength{\unitlength}{1.0 cm}}\begin{picture}(12,4)\thicklines\put(1,1){\line(1,0){6.5}}\put(1,1.1){\line(1,0){6.5}}\end{picture}$ Given: Semi perimeter of triangle, S = 13 a = 8 b = 7 C = ? We KNOW that semi perimeter of triangle is: S = a + b + c/2 a + b + c = 2S 8 + 7 + c = 2 x 13 c = 26 - 15 c = 11 Therefore, the value of c is 11. $\setlength{\unitlength}{1.0 cm}}\begin{picture}(12,4)\thicklines\put(1,1){\line(1,0){6.5}}\put(1,1.1){\line(1,0){6.5}}\end{picture}$

Find the value of c in a triangle if the semi perimeter is 13 and the values of a and b are 8 and 7 respectively.

Answer»

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Given:

Semi perimeter of triangle, S = 13

a = 8

b = 7

C = ?

We KNOW that semi perimeter of triangle is:

S = a + b + c/2

a + b + c = 2S

8 + 7 + c = 2 x 13

c = 26 - 15

c = 11

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