How do you prove the parallegram theorem

Step 1: Prove that both pairs of opposite sides are parallel.

Step 2: Prove that both pairs of opposite sides are congruent.

Step 3: Prove that one pair of opposite sides is both congruent and parallel.

Step 4: Prove that the diagonals bisect each other.

Hope this helps.

$20.01

step-by-step explanation:

the sale price is (1.00 - 0.77)($87), or 0.23($87), or $20.01.

mx+89b(-98)nb

step-by-step explanation: