TBQ - Third side and area of the triangle — task. Maths CBSE Live product, Class 9 (2026-27).

Find the area of the triangle, given that its sides are 13 \(cm\) and 15 \(cm\) long, and its perimeter is 40 \(cm\).

Answer:

Area of the triangle \(=\) \(cm\)\(^2\).

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3. TBQ - Third side and area of the triangle