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  • 13-05-2021
  • Mathematics
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What is the length of the dotted line in the diagram below? Round to the nearest tenth.

What is the length of the dotted line in the diagram below Round to the nearest tenth class=

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thebecks
thebecks thebecks
  • 13-05-2021

Answer:

length of dotted diagonal line = 11

Step-by-step explanation:

Using the Pythagorean theorem:

length of rectangle² = 9² + 6² = 81 + 36 = 117

length of rectangle = √117 = 10.82

length of diagonal² = 2² + 10.82² = 4 + 117 = 121

length of diagonal = 11

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