Question

two sides of trangle are 12 cm and 15 cm .if the perimeter of a trangle is 40 cm find the third side.​

Answer 1

Step-by-step explanation:

perimeter =a+b+c

40=12+15+c

40=27+c

c=40 -27

c=14

Answer 2

hey mate here is ur answer

perimeter = sum of sides

40 = 12+15+third side

40=27+third side

40-27 = third side

13 CM = third side

hope it helps u dear....