Both pairs of opposite angles are congruent. Tip: Take, say, a pencil and a toothpick (or two pens or pencils of different lengths) and make them cross each other at their midpoints. Q. Both pairs of opposite sides are parallel. The opposite angle of a parallelogram are congruent. Classify Quadrilateral as parallelogram A classic activity: have the students construct a quadrilateral and its midpoints, then create an inscribed quadrilateral. Then ask the students to measure the angles, sides etc.. of inscribed shape and use the measurements to classify the shape (parallelogram). The bad in Answer A is due to your teachers written grammar. Area = L * H; Perimeter = 2(L+B) Rectangles. Properties of a Rectangle answer choices If one pair of opposite sides of a quadrilateral are both parallel and congruent, then it’s a parallelogram (neither the reverse of the definition nor the converse of a property). Two pairs of lines are opposite and equal, but not all of the sides are equal. (1) Every parallelogram is a rectangle (2) Every rhombus is a square (3 Every trapezoid is a parallelogram 4 Every square is a rhombus 11. The corners of the figure form a right angle. Diagonal of general parallelogram are not equal but for special type of parallelogram like square ,rectangle it … a. Diagonals of a quadrilateral bisect each other b. 1. 30 seconds . That is true. A parallelogram is a quadrilateral or a flat shape with opposite sides parallel. Tags: Question 10 . Go with B. One has to be on the lookout for double negatives. Designed with Geometer's Sketchpad in mind . Property that is characteristic of a parallelogram is that opposite sides are congruent. answer choices . No matter how you change the angle they make, their tips form a parallelogram. Area of a Parallelogram : The Area is the base times the height: Area = b × h (h is at right angles to b) Example: A parallelogram has a base of 6 m and is 3 m high, what is its Area? Which of the following is NOT a property of a quadrilateral that is a parallelogram? A parallelogram has four opposite, parallel, congruent sides. CD = 8 and AD = 4, because opposite sides of a parallelogram are equal. Squares, Rhombuses, and Rectangles are few example of Parallelogram. Read this: The property that is NOT characteristic of a parallelogram is opposite sides are not congruent. A pair of adjacent sides of a quadrilateral is equal c. Each pair of opposite sides of a quadrilateral is equal d. Each pair … SURVEY . Explanation: There are six important properties of a parallelograms: The opposite side of a parallelogram is always equal. m ∠ D = 100°, because opposite angles of a parallelogram are equal. Area = 6 m × 3 m = 18 m 2. Diagonals bisect each other. Consecutive angles of a parallelogram are. Which is NOT a property of a parallelogram? If one of the angles of a parallelogram is a right angle then all other angles are right and it becomes a rectangle. 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