Find the Area of a Triangle Two Sides of Which Are 18 Cm and 10 Cm and the Perimeter is 42cm ? - Mathematics

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Find the area of a triangle two sides of which are 18 cm and 10 cm and the perimeter is 42cm ?

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Solution

`21sqrt11cm^2`

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Chapter 17: Heron’s Formula - Exercise 17.1 [Page 8]

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RD Sharma Mathematics for Class 9
Chapter 17 Heron’s Formula
Exercise 17.1 | Q 3 | Page 8

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