Question

the measure of opposite sides of parellelogram are (7×+20)cm and (8×-30) cm .find the length of the sides​

Answer 1

Answer:

370cm and 370cm

Step-by-step explanation:

One side=(7x+20)cm

opposite side=(8x-30)cm

As the opposite sides of a parallelogram are equal, so we can write

7x+20=8x-30

=>7x-8x=-30-20

=>-x=-50

=>x=50

Therefore,

one side=7x+20

=7*50+20

=350+20

=370 cm

opposite side=8x-30

=8*50-30

=400-30

=370 cm

Answer 2

Question:-
the measure of opposite sides of parallelogram are (7×+20)cm and (8×-30) cm .find the length of the sides

Solution:-

◆ 7x+20=8x-30

◆ 7x-8x=-30+20

◆ -x=-50

◆ x = 50

Therefore,

length of side = 50cm

measure of opposite side = 7x-20
= 7×50+20
= 350+20
= 370cm

★ Note :-
◆ we know opposite side of parallelogram are always equal

then other side also will be = 370cm