Question

3. An isosceles triangle PQR is given below. The length of one of its
sides is represented by'x'. The other two sides are of equal length.
The length of the equal sides is two times the length of the side
represented by 'x'. Express the perimeter of the triangle in terms
of'x!​

Answer 1

Answer: Let the sides of the triangle be: x,2x,2x

Perimeter= x+2x+2x

=x(1+2+2)

=5x.

Answer 2

Answer:

5x

Step-by-step explanation:

x(2x+2x)

x(1+2+2)

5x