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wariber [46]
1 year ago
6

If TR = 11 ft, find the length of PS. Round to the nearest hundredth.PTR16°Sarc PS =ft

Mathematics
1 answer:
NeX [460]1 year ago
3 0

Given:

TR = 11 Ft

∠RTS = 16°

Let's determine the length of Arc PS,

Step 1: Let's first determine the angle of Arc PS.

∠RTS = 16°

∠PTQ = 16° ; Vertical angle pair of ∠RTS

Since ∠QTR = ∠PTS under the rule of vertical angles, we can now determine the measure of ∠PTS or Arc PS.

We get,

\angle RTS\text{ + }\angle PTQ\text{ + }\angle QTR\text{ + }\angle PTS=36016\text{ + }16\text{ + }\angle PTS\text{ + }\angle PTS=36032\text{ + }2\angle PTS=360^{}\angle PTS=\frac{360^{}\text{ - 32}}{2}\angle PTS=\frac{328}{2}\angle PTS=164^{\circ}

Step 2: Let's determine the perimeter of the circle.

\text{ Perimeter = }2\pi r\text{ = 2}\pi(11)\text{ Perimeter = 22}\pi

Step 3: Let's determine the length of Arc PS.

\text{ Arc Length = (}\frac{\theta}{360})(\text{Perimeter of the Circle)}\text{ = (}\frac{164}{360})(22)(3.14)\text{ Arc Length = }31.469777\ldots\text{ }\approx\text{ 31.47 ft.}

Therefore, the length of Arc PS is 31.47 ft.

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<u>Now, to find the probability of finding a non-defective television firstly we will find the probability of a defective television.</u>

<em>Probability of a defective television is given by;</em>

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Now, <em><u>probability of finding a non-defective television</u></em> = 1 - Pro<em>bability of a defective television</em>

Probability of finding a non-defective television = 1 - 0.0185

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<em>Therefore, the probability of finding a non-defective television is 98.15%.</em>

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