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The diagram shows a wedge in the shape of a prism angle BCF is a right angle A string runs diagonally across the wedge from Ato F Calculate the length A F Give your answer correct to 3 significant figures

The diagram shows a wedge in the shape of a prism angle BCF is a right angle A string runs diagonally across the wedge from Ato F Calculate the length A F Give class=

Respuesta :

mhanifa

Answer:

  • 19.3 cm

Step-by-step explanation:

Use Pythagorean theorem to calculate:

  • BF = √11² + 5² = √121+25 = √146

Same method for FA, the diagonal of rectangle ABFE

  • FA = √15² + 146 = √225+146 = √371 = 19.3 cm rounded up to 3 significant digits

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