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Area of triangle
= 1/2 x base x height
= 1/2 x (12 - 4) x (16 - 5)
= 1/2 x 8 x 11
= 44 cm ²
= 1/2 x base x height
= 1/2 x (12 - 4) x (16 - 5)
= 1/2 x 8 x 11
= 44 cm ²