Question

The two equal sides of an isosceles triangle are each 30 cm and its perimeter is 105 cm . The length of its third side is​

Answer 1

Answer: 45cm

Step-by-step explanation:

In an isosceles triangle

2 sides are equal

so

60cm

then the third side=

x+30+30=105(perimeter)

x+60=105

x=45cm

Answer 2

Step-by-step explanation:

In isosceles triangle two sides are equal.

The two sides are 30cm,30cm.

perimeter of the triangle is 105cm.

we have to find third side.

let third side is 'x'.

X+30+30 = 105

X+60 = 105

X=105-60

X=45