Slide11.JPG

Slide12.JPG

  1. Chapter 11 Class 8 Mensuration
  2. Serial order wise

Transcript

Ex 11.2, 5 The diagonals of a rhombus are 7.5 cm and 12 cm. Find its area. Given Diagonals, d1 = 7.5 cm & d2 = 12 cm Now, Area of rhombus = 1/2 × d1 × d2 = 1/2 × 7.5 × 12 = 1/2 × 75/10 × 12 = 75/10 × 6 = 450/10 cm2 = 45 cm2 ∴ Area of rhombus = 45 cm2

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.