22 slides

2. EXAMPLE OF PLANE AND
3D FIGURES
PLANE FIGURES 3D FIGURES
SQUARE CUBE
RECTANGLE CUBOID
TRAPEZIUM CYLINDER
HEXAGON CONE
OCTAGON SPEHERE
PENTAGON HEMISPHERE
CIRCLE PRISM

3. WHAT ARE 2D OR PLANE FIGURES
?
Plane figures are flat two- dimensional
(2D) shape. A plane figure can be made of
straight lines, curved lines, or both straigh
and curved lines.

4. WHAT ARE 3D FIGURES ?
A 3D figure is a figure that has height,
depth, and width. Such a figure does not
lie entirely in a plane.

5. AREA OF 2D FIGURES

6. AREA OF SQUARE
The Area is the side
Area of a Square = length squared:
Area = a2

7. Parallelogram
The Area is
Area of a Parallelogram = the base times
the height:
Area = b ×
h
(h is at right
angles to b)

8. Triangles
The area is half of the base times
height.
•"b" is the distance along the base
•"h" is the height (measured at right
angles to the base)
Area = ½ × b × h

9. Rectangle
The Area is
Area of a the width times
Rectangle = the height:
Area = w × h

10. The area of a circle is
• π (Pi) times the Radius squared, which is written:
A = π × r2

12. VOLUME AND SURFACE AREA OF CUBE

13. VOLUME AND SURFACE OF CUBOID
VOLUME OF CUBOID = L*B*H
T.S.A OF CUBOID =2∏r(r+h)
C.S.A OF A CUBOID =2∏rh

14. VOLUME AND SURFACE OF
cylinder

15. VOLUME AND SURFACE OF RIGHT
CIRCULAR CONE

16. VOLUME SURFACE OF SPEHERE

17. VOLUME AND SURFACE OF
HEMISPEHERE

18. GROUP MEMBERS NAME