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3 years ago

9

An architect used this diagram to design a curved balcony. She drew a circle with a radius of 40 feet and a central angle of 70°

to determine the length of railing needed for the balcony.

1 answer:

Phantasy [73]3 years ago

3 0

49FT. LENGTH=ANGLE OVER 360 x 2pi

= 70 over 360 x 2pi (40)

= 48.9 = 49FT.

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3 years ago

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3 years ago

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