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Answer the question below-example-1
User Bleakley
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Answer:

306 cm²

Explanation:

find the height of the triangle by removing the side of 13 of the rectangle from 21, and divide the result by 2. find the area of ​​the rectangle and add it to the area of ​​the two triangles, step by step in the image

Answer the question below-example-1
User Major
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