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Softa [21]
3 years ago
15

A.

Mathematics
1 answer:
Dovator [93]3 years ago
5 0

Answer:

A

Step-by-step explanation:

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Step-by-step explanation:

Height of ladder = 12ft .

Here perpendicular is height to which it reaches .

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=> sin 30⁰ = H/12

=> ½ = H/12

=> H = 12/2

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<u>When </u><u>Angle </u><u>is </u><u>4</u><u>5</u><u>⁰</u><u> </u><u>:</u><u>-</u><u> </u>

=> sin45⁰ = H/12

=> 1/√2 = H/12

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<u>When </u><u>angle</u><u> </u><u>is </u><u>6</u><u>0</u><u>⁰</u><u> </u><u>:</u><u>-</u>

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=> H = 12 *√3/2

=> H = 6√3 ( ans )

hope it helped !

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Answer:

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Note that \sqrt{196} = 14

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( f – g ) (x) = 8x – 2

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