Can someone at least do letter A I don’t understand this

Answer:
10, opposing sides of a parrallelogram will have the same length
Step-by-step explanation:
given that FG = 10 , thus EH=FG=10
Answer:
EH is 10
Step-by-step explanation:
Parallelograms have congruent sides almost all of the time. so take the opposite side ( which is 10) and your answer!