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Tcecarenko [31]

2 years ago

15

The blades of a helicopter's propeller are perpendicular and congruent. The distance between consecutive blade tips is 24 feet.

Find the length (b) of each blade.

1 answer:

Leno4ka [110]2 years ago

7 0

Check the picture below.

now, recall, both blades are congruent, thus a = b, so c² = a² + b² -> c² = b² + b².

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