Example 5 - Chapter 9 Class 7 Perimeter and Area
Last updated at Dec. 16, 2024 by Teachoo
Last updated at Dec. 16, 2024 by Teachoo
Example 5 Find BC, if the area of the triangle ABC is 36 cm2 and the height AD is 3 cm (Fig 11.21). Height = h = AD = 3 cm Base = b = BC = ? Given, Area of โABC = 36 cm2 ๐/๐ ร b ร h = 36 1/2 ร BC ร 3 = 36 BC ร 3/2 = 36 BC = 36 ร ๐/๐ BC = 12 ร 2 BC = 24 cm โด BC is 24 cm
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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo