Question

Tell me the answer of this ,fast.
Hint : (Opposite angles of parallelogram are equal).​

Answer 1

Answer:

longer side =60cm ,shorter side =50 cm

Answer 2

Answer:

l=75 b=65

Step-by-step explanation:

let one side be x  other side=10-x     , perimeter of parallelogram=2(l+b)      , 2(x+x-10)= 280 , 2x-10=140, 2x=150, x=75