Question

two opposite sides of a parallelogram are(2x-5)cm and (40-3x)cm respectively the side adjacent to the one measuring (2x-5) cm is 10 cm find its perimeter ​

Answer 1

Answer:

38

Step-by-step explanation:

opposite side of parallelogram are equal so

40-3x=2x-5

5x=45

x=9

so sides are 9cm and 10 cm

so perimeter = 9+10+9+10= 38cm