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26 July, 19:05

Alan wants to install security cameras in his store, which has dimensions of 30 feet by 30 feet. Each camera can view an area of approximately 112.5 ft2, with a viewing area shaped like a right triangle. How many cameras will be necessary to cover the entire store?.

If he places cameras only in the corners of the store, how much area is left uncovered?

ft2.

+5
Answers (2)
  1. 26 July, 19:12
    +2
    First answer is: 8 and second answer is: 450
  2. 26 July, 19:16
    -1
    30*30=900

    900/112.5=8 cameras to cover

    112.5*4=450

    900-450=450 ft left uncovered
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