Math, asked by alishaalibina, 2 months ago

find the semi perimeter of the triangle is 12 cm and 30 cm 9 cm

Answers

Answered by muazzanhussain0031

2

Answer:

perimeter of triangle is a+b+c

semi perimeter of triangle is a+b+c/2

perimeter is 12+30+9/2=51/2=25.5

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