Question

Find the semi-perimeter of a triangle whose sides are 26 cm, 28 cm, 30 cm ?

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Answer 1

Step-by-step explanation:

S = ( a+b+c ) / 2

S ( 26+28+30)/2

S = 84/2

S = 42

hope it helps you

Answer 2

Step-by-step explanation:

$◆ Answer ◆$

$S = (a+b+c)/2$

$S = (26 + 28 + 30) / 2$

$S = 84/2$

$S = 42$

Hope, it's help you.

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