Problems involving Area of Triangle

Problems involving Area of Triangle

Secondary 1

Find the perimeter and area of the following triangles,

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Answer:(i) Perimeter \(=48\text{ cm}\), area \(=84\text{ cm}^2\) (ii) Perimeter \(=25.6\text{ cm}\) (3 s.f.), area \(=16.1\text{ cm}^2\) (3 s.f.)

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