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  1. No, not all rhombuses are rectangles. A rhombus is a parallelogram with four equal sides, but its angles are not necessarily 90°, with all four sides congruent (equal). A rectangle is a parallelogram with four right angles (90°), but its adjacent sides are not necessarily equal in length.

  2. False. All rectangles are parallelograms. True. All rhombuses are squares.

  3. Solution: ☛ Check: NCERT Solutions for Class 8 Maths Chapter 3. Video Solution: State whether True or False. (a) All rectangles are squares (b) All rhombuses are parallelograms (c) All squares are rhombuses and also rectangles (d) All squares are not parallelograms. (e) All kites are rhombuses. (f) All rhombuses are kites.

  4. Nov 15, 2015 · A rectangle is a parallelogram with all its interior angles being 90 degrees. A rhombus is a parallelogram with all its sides equal. This means that for a rectangle to be a rhombus, its sides must be equal.

  5. Rhombus and rectangle, both are special parallelograms but rhombuses, in general, are not rectangles, mainly because of the vertex angles, which are all right angles in the case of a rectangle.

  6. No, not all rhombuses are rectangles. A rhombus is a parallelogram with four equal sides, but its angles are not necessarily 90°, with all four sides congruent (equal). A rectangle is a parallelogram with four right angles (90°), but its adjacent sides are not necessarily equal in length.

  7. Feb 19, 2020 · The statement 'All rectangles are rhombuses' is False. To understand why, let's first define what a rectangle and a rhombus are: A rectangle is a quadrilateral with four right angles. Its opposite sides are equal, but the lengths of adjacent sides are not necessarily the same. A rhombus is a parallelogram with all four sides of equal length.