Question

the perimeter of a isosceles triangle is 50 cm. if one one of the two equal sides measure 18 cm , find the third side​

Answer 1

Answer:

hey here is the answer

first 2 side= 18,18

perimeter of triangle=side+side+side

so,18+18+x=50

36+x=50

x=50-36=14 is third side

hope it helps you ftiend

Answer 2

Answer:

Given

perimeter of triangle is 50cm

angle two equal sides are 18cn

we know that in triangle sum of all sides is perimeter

so

Let us consider the unknown side as x

18+18+x=50

36+x=50

x=50-36

x=14

Hence the third side of a triangle is 14cm