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JSS2: BASIC TECHNOLOGY - 2ND TERM

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  1. Geometric Construction | Week 1
    5 Topics
    |
    1 Quiz
  2. Construction of Angles & Circles | Week 2
    6 Topics
    |
    1 Quiz
  3. Construction of Triangles | Week 3
    4 Topics
    |
    1 Quiz
  4. Quadrilaterals | Week 4
    2 Topics
    |
    1 Quiz
  5. Construction of Quadrilaterals | Week 5
    3 Topics
    |
    1 Quiz
  6. Polygons | Week 6
    3 Topics
    |
    1 Quiz
  7. Plane Figures | Week 7
    3 Topics
    |
    1 Quiz
  8. Enlargement And Reduction of Plane Figures | Week 8
    2 Topics
    |
    1 Quiz
  9. WoodWork Machines | Week 9
    2 Topics
    |
    1 Quiz
  10. Care & Maintenance of WoodWork Machines | Week 10
    1 Topic
    |
    1 Quiz



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The term ‘area‘ refers to the amount of space inside the boundaries of a figure. We frequently use areas in our daily life. For example, if you want to paint the walls of your room, you have to know the area to be painted so as to buy an adequate amount of paint.

Plane FigureArea

Triangle

Screenshot 2022 05 14 at 10.43.20

\( \frac{1}{2} \scriptsize \: \times \: Base \: \times \: Height \)

Square

Screenshot 2022 05 14 at 10.59.50

\( \scriptsize L \: \times \: L \)

Parallelogram

Screenshot 2022 05 14 at 11.13.02

Base x Height (b x h)

Trapezium


Screenshot 2022 05 14 at 11.19.07

\( \frac{1}{2} \: \scriptsize(a \: + \: b)h \)
½ sum of parallel sides × height

Circle

Perimeter of a circle

\( \frac{22}{7} \) x radius x radius or \( \scriptsize \pi r^2 \)

Trapezoid


Screenshot 2022 05 14 at 11.28.47

\( \frac{1}{2} \: \scriptsize(a \: + \: b)h \)

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