The Year 6 art students are making a mosaic using tiles in the shape of right triangle. The two sides that meet to form a right angle are 3m and 6m long. If there are 200 tiles in the mosaic, what is the area of the mosaic?
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Step-by-step explanation:
area of a right angled triangle=½×Base×Prep. height
area=½×3×6
=9m²
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