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Ex 9.2, 1 (a) - Chapter 9 Class 7 Perimeter and Area
Last updated at Dec. 16, 2024 by Teachoo
Chapter 9 Class 7 Perimeter and Area
Concept wise
- Basic Definitions
- Square and Rectangle
- Converting Square to Rectangle
- Area of parallelogram
- Area of triangle
-
Circumference of circle
- Perimeter of a combination of shapes
- Area of circle
- Area of combination of figures - two circles, circle and square
- Finding Area of rectangle with path outside/inside
- Finding Area of rectangle with cross roads
- Finding Area of rectangle with triangle
Transcript
Ex 9.2, 1 Find the circumference of the circles with the following radius: (𝑇𝑎𝑘𝑒 𝜋=22/7) (a) 14 cmRadius = r = 14 cm Circumference = 2𝜋r = 2 × 𝟐𝟐/𝟕 × 14 = 2 × 22/1 × 2 = 44 × 2 = 88 cm ∴ Circumference of circle is 88 cm
