I’ll give brainliest Express the sum of the angles of this triangle in two different ways.
Х
1/2Х
3/2Х

If 1/2+2/5s=s-3/4,what is the value of s? a. s=3/4 b. s=25/12 c. s=-25/12 d. s=-3/4

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)