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.
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Step-by-step explanation:
Given-: semi perimeter = 13
a = 8
b = 7
Semi perimeter = a + b + c /2.
13 = 8 + 7 + c /2
13 = 15 + c /2
13 × 2 = 15 + c
26 - 15 = c
c = 11.
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⠀⠀ıllıllı uoᴉʇnloS ıllıllı
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.
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