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A rectangle has 4 corners that are each 90°.

A rhombus has 2 acute angles x < 90°, & 2 obtuse angles, x > 90° .

Rectangle a----b rhombus a--b

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c----d c------d

rectangle (a+b) (a+c) (a+d) (b+a) (b+c) (b+d) (c+a) (c+b) (c+d) (d+a) (d+b) (d+c) = 180°

rhombus (a+c) (a+d) (b+c) (b+d) = 180°

Answer:

The definition of rhombus is a quadrilateral whose four sides all have the same length without a requirement of the relation of the adjacent angles . A rectangle is any quadrilateral with four right angles without a requirement on the relationship of adjacent sides.

This definition allows one quadrilateral (the square) to be both a rectangle and a a rhombus. The square is a rectangle with all sides being equal and a rhombus with all angles being equal (90o)

Q: How can you tell the difference between rhombus and rectangle?

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Mainly the presence or absence of any right angles.

A rhombus has 2 equal opposite acute angles and 2 equal opposite obtuse angles whereas a rectangle has 4 equal right angles.

A rectangle has parallel sides and the 4 corners are 90 degrees each and the length and width will not be the same.A rhombus has parallel sides, all of which are of the same length and the opposite corner pairs are respectively acute and obtuse (a diamond shape with sides of the same length).

All 4 sides of a rhombus must be equal, otherwise it's not a rhombus.

A rectangle will always have right angles, or 90o angles, between the sides.A rhombus cannot have a 90o angle between the sides because by definition the angles must be less than or greater than 90o.A rhombus will look like a square that has been slanted, like a diamond shape on a deck of cards.A rectangle is a four-sided figure having the length of its opposite sides equal and all internal angles are 90o. A rhombus has four sides of equal length, but the interior angles are not necessarily 90o. All interior angles of a rectangular rhombus are 90°, so a rectangular rhombus is also a square.

Related questions

A rhombus has 4 sides of equal length and may be crooked and a rectangle must have four 90 [[Q/Whats the difference between a rectangle and a rhombus#|degree]] angles. A square is both a rectangle and a rhombus.

Mainly the presence or absence of any right angles.

A rhombus has 2 equal opposite acute angles and 2 equal opposite obtuse angles whereas a rectangle has 4 equal right angles.

A rectangle has parallel sides and the 4 corners are 90 degrees each and the length and width will not be the same.A rhombus has parallel sides, all of which are of the same length and the opposite corner pairs are respectively acute and obtuse (a diamond shape with sides of the same length).

All 4 sides of a rhombus must be equal, otherwise it's not a rhombus.

A rectangle will always have right angles, or 90o angles, between the sides.A rhombus cannot have a 90o angle between the sides because by definition the angles must be less than or greater than 90o.A rhombus will look like a square that has been slanted, like a diamond shape on a deck of cards.A rectangle is a four-sided figure having the length of its opposite sides equal and all internal angles are 90o. A rhombus has four sides of equal length, but the interior angles are not necessarily 90o. All interior angles of a rectangular rhombus are 90°, so a rectangular rhombus is also a square.

Rhombus: Adjacent sides are equal. Diagonals intersect at 90°. Measure of all interior angles not specific. Diagonals are not equal. Rectangle: Pair of opposite sides are equal. Measure of angle of intersection of diagonals not specific. Measure of all interior angles is 90°. Diagonals are equal.

Circle, ellipse, rectangle, square, parallelogram, rhombus, trapezoid, isosceles triangle, equilateral triangle, any regular polygon.

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