Question

find the value of C if in a triangle S is equal to 13 a equals to 8 and b is equals to 7​

Answer 1

Answer:

c=11

Step-by-step explanation:

$s = (a + b + c) \div 2$

$2(13) = (8 + 7 + c)$

$26 - 15 = c$

$c = 11$