Keyword Analysis & Research: 4 right angles
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What shapes have 4 right angles? | Socratic
https://socratic.org/questions/what-shapes-have-4-right-angles
WEBMar 3, 2017 · Answer link. Squares and rectangles have exactly 4 right-angles. The only shapes that have exactly 4 right angles are squares and rectangles. If a pentagon has 4 right-angles, the remaining angle would have to be 180° 540°-360° = 180°.
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Quadrilaterals - Square, Rectangle, Rhombus, Trapezoid, …
https://www.mathsisfun.com/quadrilaterals.html
WEBThe Rectangle. the little squares in each corner mean "right angle" A rectangle is a four-sided shape where every angle is a right angle (90°). Also opposite sides are parallel and of equal length. The Square. the little squares in each corner mean "right angle" A square has equal sides (marked "s") and every angle is a right angle (90°)
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Identifying quadrilaterals (article) | Khan Academy
https://www.khanacademy.org/math/cc-third-grade-math/quadrilaterals-3rd/imp-quadrilaterals/a/identify-quadrilaterals
WEBA shape with 4 equal sides and 4 right angles. The direction of each side is as follows, beginning at the top and continuing in a clockwise pattern: straight line down and right, straight line down and left, straight line up and left, straight line up and right.
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Quadrilaterals review (article) | Khan Academy
https://www.khanacademy.org/math/cc-fourth-grade-math/plane-figures/imp-classifying-geometric-shapes/a/quadrilaterals-review
WEBA rectangle is a quadrilateral with 4 right angles. A shape with four sides of equal length. The shape has two sets of parallel sides and has four right angles.
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Rectangle - Wikipedia
https://en.wikipedia.org/wiki/Rectangle
WEBIn Euclidean plane geometry, a rectangle is a quadrilateral with four right angles. It can also be defined as: an equiangular quadrilateral, since equiangular means that all of its angles are equal (360°/4 = 90°); or a parallelogram containing a right angle. A rectangle with four sides of equal length is a square.
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Right angles in shapes (informal definition) - Khan Academy
https://www.khanacademy.org/math/cc-third-grade-math/quadrilaterals-3rd/imp-quadrilaterals/a/right-angles-in-shapes
WEBRight angles are angles that are exactly 90 degrees. Obtuse angles are angles that are more than 90 degrees. You'll work with these three types of angles a lot more as you advance in math.
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Rhombus - Math is Fun
https://www.mathsisfun.com/geometry/rhombus.html
WEBA Rhombus is a flat shape with 4 equal straight sides. A rhombus looks like a diamond. All sides have equal length. Opposite sides are parallel, and opposite angles are equal (it is a Parallelogram). The altitude is the right angle distance between opposite sides. And the diagonals "p" and "q" of a rhombus bisect each other at right angles.
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7.2.1: Quadrilaterals - Mathematics LibreTexts
https://math.libretexts.org/Bookshelves/Applied_Mathematics/Developmental_Math_(NROC)/07%3A_Geometry/7.02%3A_Perimeter_Circumference_and_Area/7.2.01%3A_Quadrilaterals
WEBA quadrilateral also has four angles formed by its four sides. Below are some examples of quadrilaterals. Notice that each figure has four straight sides and four angles. Interior Angles of a Quadrilateral. The sum of the interior angles of any quadrilateral is 360 o. Consider the two examples below.
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Rhombus: Its Properties, Shape, Diagonals, Sides and Area …
https://www.mathwarehouse.com/geometry/quadrilaterals/parallelograms/rhombus.php
WEBAnswer: No, a rhombus is not a square. A square must have 4 right angles. A rhombus, on the other hand, does not have any rules about its angles, so there are many many, examples of a rhombus that are not also squares. Keep in mind that the question "Is a rhombus a square?" means Is every rhombus also always a square? Diagram 2.
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Quadrilaterals - Definition | Meaning | Types | Quadrilateral Shape
https://www.cuemath.com/geometry/quadrilaterals/
WEBQuadrilateral Definition. A quadrilateral is a polygon with four sides, four angles and four vertices. Whenever we name a quadrilateral, we need to keep in mind the order of the vertices. For example, the following quadrilateral should be …
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