On a coordinate plane, which theorem can be used to prove that a quadrilateral is a parallelogram if only the slopes of the sides of the quadrilateral are calculated? A If the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram. B If both pairs of opposite sides of a quadrilateral are parallel, then the quadrilateral is a parallelogram.

Q: 2. Which piece of information would prove a parallelogram is not a rectangle? The diagonals are…

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Q: Find the values of x and y that make the quadrilateral a parallelogram. (4x+13) (4y + 7)° (3x-8)°…

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Q: Determin e which O Option 3 O Option 1 Option 2 Option 4

A: Opposite side are parallel and equal to each other. Opposite angle are equal. Diagonal bisect each…

Q: Show algebraically that quadrilateral WXYZ is a parallelogram. W(-5, -2), X(-3, 3), Y(3, 5), Z(1, 0)…

A: Distance formula: you can use this formula to find the distance between the two points.

Q: Show that the opposite angles of a parallelogram are equal.

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Q: If a quadnlateral is a parallelogram, then consecutive angles are complementary 1S

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Q: For any parallelogram, provethat the sum of the squares of the lengths of the sides equalsthe sum of…

A: I'm doing the question myself without using the hint.  Let PQRS be a parallelogram.  Let PQ, QR, RS…

Q: What is the best name for a quadrilateral at vertices (1, 4), (4, 0), (0, -3), and (-3, 1)? A.…

A: The coordinates of the quadrilateral are A(1, 4), B(4, 0), C(0, -3) and (D(-3, 1)

Q: 3. Prove whether or not this quadrilateral is a parallelogram. Show your calculations for the slope…

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Q: Which of the following statements must be true in order to prove that a quadrilateral is a…

A: There are main 4 properties of a parallelogram

Q: Prove that the line joining the midpoints of opposite sides of a quadrilateral and the line joining…

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Q: If OPQR is a parallelogram, what are the coordinates of Q?

A: We know that if OPQR is a parallelogram then length of OP will be equal to length of RQ and OP will…

Q: Determine if the parallelogram ABCD is also a rectangle, rhombus, or square

A: Since you have asked multiple question, we will solve the first question for you.  If you want any…

Q: Quad. ABCD is a parallelogram. Name the principal theorem ordefinition that justifies the statement.

A: Consider the parallelogram ABCD,

Q: 9) Which quadrilaterals could Quadrilateral ABCD be classified as if you are only given the…

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Q: F. E. D

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Q: A D 1. Which statement requires additional information to prove that a quadrilateral is a…

A: We find which of the given statements requires additional information to prove that a quadrilateral…