Question

an isoceles triangle has perimeter 30 cm and each of the equal side is 12 cm.find the third side .​

Answer 1

answer:

perimeter=30

equal two sides =12×2=24

therefore

third side = 30-24 =6cm

Answer 2

Answer:

perimeter -30

two sides-12+12=24

Thrid side-30-24=6.

Hope it helps you