3 years ago

Help me please x trigonometry?

Mathematics

1 answer:

fenix001 [56]3 years ago

4 0

Check the picture below.

make sure your calculator is in Degree mode.

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Find the radius if mADB=270° and length is 61.26 meters

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Given:

In the given circle, ∠ADB = 270° and length of ADB = 61.26 m

To find the radius of the circle.

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The formula to determine the radius is given by

$arc \ length =(\frac{\theta}{360})2 \pi r$

Substituting arc length = 61.26, $\theta= 270$ , we get;

$61.26 =(\frac{270}{360})2 (3.14) r$

$61.26 =4.71 r$

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