An umbrella is made by stitching 10 triangular pieces of cloth each measuring 20cm,50cm and 50cm. How much cloth of each colour is required for umbrella? number of triangles of each color is 5
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Area of each triangle is 490cm^2
Area of each colour cloth = 5*490 = 2450 cm^2
I rounded the decimals
The height of the triangle is 48.99cm I took 49cm
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