Question

An iscoleous triangle have perimeter 30 cm and each of the equal side is 12 cm

Answer 1

Answer:

Step-by-step explanation:

perimeter = 30 cm

side a = 12 cm

                       ------------isosceles triangle have 2 sides equal

side b = 12 cm

perimeter = a + b + c

30 = 12 + 12 + c

30 = 24 + c

30 - 24 = c

c = 6 cm