If the three sides of the triangle are 11m,15m and 6m.What is the semi perimeter of the triangle?

15cm

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10cm

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16cm

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17cm

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Solution

The correct option is C
16cm

s= $\frac{P e r i m e t e r}{2}$ = $\frac{(a + b + c)}{2}$ = $\frac{(11 + 15 + 6)}{2}$ =16m

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