Consecutive angles are supplementary. An isosceles triangle has three equal sides. (true) 12. • Tags: Question 18 . All four sides are congruent. The above statement is true. Which statement must be true? •••• Which statement is true about every parallelogram? Reason-The opposite sides of a parallelogram are equal which is also observed in a square. 7. … ... A parallelogram is a four-sided plane rectilinear figure with opposite sides parallel. The diagonals bisect each other. MAFS. 7. Which statement is true about every parallelogram? 3) Two pairs of opposite sides are congruent. b. every square is a rhombus. This is the last round of “Name That Quadrilateral.” I'm thinking of a parallelogram with congruent perpendicular diagonals. statement is correct? Which statement must always be true? (C) If a trapezoid is also a kite, then it must be a parallelogram. A the diagonals bisect each other B opposite angles are congruent C the diagonals are perpendicular D opposite sides are congruent 2 How many triangles are formed by drawing diagonals from one vertex in the figure? 1) All four sides are congruent. Find an answer to your question Which statement is true about every parallelogram? Which statement is true about every parallelogram? 2) The interior angles are all congruent. c. every square is a parallelogram. which statement is true about the line? 1. Correct answers: 3 question: Aline passes through the points (9, 30) and (18, 30). Which statement is true about every parallelogram? 0 2. 2) The interior angles are all congruent. A) All four sides are congruent. 3) Two pairs of opposite sides are congruent. Find the distance between (3, 24) and (7,56). A parallelogram … 4) The diagonals are perpendicular to each other. The rectangle is a special case of a parallelogram in which measures of its every interior angle is 90 degree. 1) BE ≅CE 2) ∠BAE ≅∠DCE 3) AB ≅BC 4) ∠DAE ≅∠CBE 3 Which statement is true about every parallelogram? Which statement is true? 2) Every parallelogram is a rectangle. 4) The diagonals are perpendicular to each other. Which statement is true about all parallelograms? B. Relevance. Andrew. 2) The interior angles are all congruent. B Every rectangle is a square C Every rhombus is a rectangle D Every parallelogram is a rhombus 3. (l) parallelogram (2) rhombus 7. 4) The diagonals are perpendicular to … By the definition of a... See full answer below. Find m