shows that the points (2,1), (6,2), (5,6), and (1,5) are the vertices of a square. Then obtain the perimeter and area of ​​that square. (remember that a square is defined by having its four equal sides) I need help please?​

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?