Find the value of X in the triangle

Two sides of the triangle are the same length, so the two angles of the long side are identical.

The three inside angles total 180, so the sum of the 2 identical angles would equal: 180-70 = 110

x is one of those angles. X = 110/2 = 55 degrees.

X = 55

i think it is everything has to equal 180 so, if i correct 4=c. 6=d. 8=a. 7=b. and the last question would be c. because they are parallel lines and they are congruent.

step-by-step explanation:

the reason everything has to equal to 180 is because that is how it works. i'm guessing that is its rule. 4 and 8 are congruent and parallel so, that would be 30+30 because they have the same number. it would equal 60. 6 and 7 are congruent and parallel so, that would be 30+30 because they have the same number. it would equal 60. 60+60 is 180. so, now you have your answer