Question

(Help with another question?)
Parallelogram LMNO, solve for s.

Answer 1

Answers are
20, 30, 40, 120.
i know 30 is incorrect so far.

Answer 2

solve t first

Answer 3

Hint : Opposite angles of a parallelogram are equal.

Answer 4

2t+10=3t-15
t=25?

Answer 5

yes you are right.

Answer 6

Okay now, another property : Adjacent angles of a parallelogram are supplementary

Answer 7

Anndd...now im confused..

Answer 8

Do you what does "supplementary" mean?

Answer 9

nope. i dont know any of those terms really.. i have a hard enough time with the numbers. I can google if you want.??