Find the semi perimeter of a triangle with sides 9 cm, 12 cm and 30 cm.
s=a+b+c/2
s=9+12+30/2
s=51/2
s=25.5
Answer:
the perimeter of the triangle are=the sun of the side
=(9+12+30)cm
=51cm
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s=a+b+c/2
s=9+12+30/2
s=51/2
s=25.5
Answer:
the perimeter of the triangle are=the sun of the side
=(9+12+30)cm
=51cm