9. Let ABCD be any quadrilateral. Denote the midpoints of the sides by E, F, G, and H. Prove that EFGH is a parallelogram.

Q: Plot the points A(1,0), B(5,0), C(4, 3), and D(2, 3) on a coordinate plane. Draw the segments AB,…

A: We have to plot the points A(1,0) ,B(5,0),C(4,3) D(2,3) on the coordinate plane. Next we have to…

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

A:

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: Question 16 Find the value of x if PQRS is a parallelogram. R |(3x + 25)° (5х — 5)° The valule of x…

A:

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: [A -9-8-7-6-5-4-3-2 B O (-4,-5) O (-14,-11) O(-12,-13) O (11,14) (-11,-14) D 2 3 -5 -6 -7 -8 -9 1

A: Point B , (-9,-8)

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: C B. А- P.

A: From the diagram we can see that ∠CPB=90° but AP≠PB.

Q: Show that the points (a, a).(-a,-a) and (-3a, 3a) are the vertice of an equilateral triangle.Also,…

A:

Q: Prove that Lambert and Saccheri quadrilaterals are parallelograms.

A: SACCHERI QUADRILATERAL: A quadrilateral which has two equal sides which are perpendicular to its…

Q: Is a square always a rhombus

A: Squares and rhombus

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…