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An engineer designing a building caculates that the diagonal of a rectangular room measures √23 meters. Which of the following measurements is the best approximation of the lenght of the diagonal ?

Respuesta :

Answer:

1. draw the parallelogram with side 20cm and 25cm respectively and also the diagonal as well.

2.Clearly it forms a triangle in the parallelogram with three known lengths of side.

3.Using the cosine rule : c^2=b^2+c^2 -2bc cos c to find the obtuse angle.

Step-by-step explanation:

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