Shapes And Angles – CBSE Notes for Class 5 Maths
CBSE NotesCBSE Notes Class 5 MathsNCERT Solutions Maths
Summary :
Closed Shape: If there is no gap in the shape, it is called a closed shape.
For example:
Open Shape. If there is a gap in the shape, it is called an open shape.
For example:
-> Angle: Two lines, meeting at a point make an angle. Angle is measured in degree (°).
-> Polygon: A closed shape with many sides is called a polygon. For example: Triangle, rectangle, pentagon, hexagon, etc.
-> Types of Angles
(а) Right Angle: The angle which measures 90° is called right angle.
(b) Acute Angle: The angle which measures less than 90° is called acute angle,
(c) Obtuse Angle: The angle which measures more than 90° is called obtuse angle.
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