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Question 8 - Figure it out (Page 162-164) - Area of Parallelogram - Chapter 7 Class 8 - Area (Ganita Prakash II)
Last updated at July 13, 2026 by Teachoo
Area of Parallelogram
Area of Parallelogram
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Class 8 (Ganita Prakash - 1, 2 & Old NCERT)
Chapter 7 Class 8 - Area (Ganita Prakash II)
- Area of Rectangle and Square
- Perimeter vs Area
- Figure it out - Page 150-152
- Area of Triangle
- Applications of Area of Triangle Formula
- Triangles between Parallel Lines with a Common Base
- Figure it out - Page 157-159
- Area of any Polygon
- Figure it out - Page 160
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Area of Parallelogram
- Area of Rhombus
- Area of Trapezium
- Figure it out - Page 169-170
- Areas in Real Life
Transcript
Question 8 - Figure it out (Page 162-164) [Śulba-Sūtras] Give a method to convert a rectangle into an isosceles triangle by dissection.This is exactly the reverse of Question 7! We follow these steps Step 1: Take your rectangle and draw a diagonal line connecting one corner to the completely opposite corner. Cut along this line. Step 2: You now have two identical right-angled triangles. Step 3: Take one of the triangles, flip it, and join them together along one of their shorter straight sides (not the long slanted hypotenuse). The two hypotenuses will now form the two equal slanted sides of a brand new isosceles triangle. Let’s look at visually Step 1: Start with a rectangular fire altar (all corners are exactly). Step 2: Draw a diagonal line to cut it into two right-angled triangles.
