Question

If in a triangle a =10 cm, b = 7 cm and s =15cm, then find the value of c

11 cm
12 cm
13 cm
14 cm​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Semiperimeter=

$\frac{a+b+c}{2}$

Where a,b and c are sides....

According to the question:

15= 10+7+c/2

15×2 = 10 + 7+ c

30= 17+c

30-7=c

13 = c

Therefore, Answer is

${\huge{\boxed{13cm}}}$