20*35*x = 7626.9923/2

Write the converse of the following statement: if the trees have no leaves, then it is fall. if the trees have no leaves, then it is fall. the trees have no leaves, therefore it is fall. it is fall since the trees have no leaves. if it is fall, then the trees have no leaves.

Can someone me and do the problem plz so i can understand it more better

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.