SOLAR SYSTEM

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SHAPES , SPACE AND PATTERNS:

SHAPES , SPACE AND PATTERNS Created by ABHA ARORA

Slide 2:

Shapes

Slide 3:

A CUBOID HAS 8 CORNERS, 12 EDGES 6 FACES

LINES:

LINES LINES CAN BE : STRAIGHT OR CURVED

3 TYPES OF STRAIGHT LINES ARE::

3 TYPES OF STRAIGHT LINES ARE: VERTICAL HORIZONTAL SLANTING

VERTICAL:

VERTICAL

HORIZONTAL:

HORIZONTAL

SLANTING:

SLANTING

LINES CAN ALSO BE CURVED:

LINES CAN ALSO BE CURVED

A PICTURE IS MADE USING BOTH TYPES OF LINES:

A PICTURE IS MADE USING BOTH TYPES OF LINES

CLOSED SHAPE:

CLOSED SHAPE A CLOSED SHAPE THAT DOES NOT CROSS ITSELF IS A SIMPLE CLOSED CURVE.

EXAMPLE:

EXAMPLE

MORE EXAMPLES:

MORE EXAMPLES

SOME CLOSED SHAPES ARE FORMED ONLY WITH STRAIGHT LINES.:

SOME CLOSED SHAPES ARE FORMED ONLY WITH STRAIGHT LINES. THESE ARE CALLED POLYGONS

EXAMPLES:

EXAMPLES

EXERCISE:

EXERCISE Put a tick mark on the simple closed curves

Polygon or not:

Polygon or not

TYPES OF POLYGONS:

TYPES OF POLYGONS A POLYGON IS NAMED ACCORDING TO THE NUMBER OF SIDES IT HAS.

EXAMPLE:

EXAMPLE A POLYGON WITH 3 LINE SEGMENTS IS CALLED A TRIANGLE.

Slide 28:

A POLYGON WITH 4 LINE SEGMENTS IS CALLED A QUADRILATERAL.

A RECTANGLE IS A SPECIAL QUADRILATERAL IN WHICH OPPOSITESIDES ARE OF EQUAL LENGTH:

A RECTANGLE IS A SPECIAL QUADRILATERAL IN WHICH OPPOSITESIDES ARE OF EQUAL LENGTH

A SQUARE IS A SPECIAL RECTANGLE IN WHICH ALL 4 SIDES ARE EQUAL.:

A SQUARE IS A SPECIAL RECTANGLE IN WHICH ALL 4 SIDES ARE EQUAL.

SAY WHETHER TRUE OR FALSE: :

SAY WHETHER TRUE OR FALSE: A) all squares are quadrilateral. B) a triangle is a polygon. C) a polygon is made up of line segments. D) all quadrilaterals are rectangles.

Slide 32:

THE END