Question

an iscocels triangle has perimeter 30 cm and each of the equal sidesis 12 cm . find its area​

Answer 1

Answer:

perimeter of isosceles triangle = 30 cm

length of equal side= 12 cm

let third side of triangle= x cm

According to sum,

x + 12 + 12=30

x+24=30

x=30-24

x=6

therefore, third side of triangle=6 cm

Step-by-step explanation:

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