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Anastasy [175]
2 years ago
9

What is measure of angle R?

Mathematics
1 answer:
Oliga [24]2 years ago
4 0
Angle R can be solved using the inverse sine button on a calculator. Sine is y/r so opposite leg over the hypotenuse. For r, the opposite leg is 5cm and the hypotenuse is 13. The inverse sin button looks like sin^-1. Punch that in the calculator (make sure in degree mode). Punch the inverse sin and then 5/13 and you should get 22.62°
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Answer:

m\ arc\ CD=43\°

Step-by-step explanation:

we know that

m -----> by central angle

see the attached figure to better understand the problem

we have

m\ arc\ BC=105\°

m

substitute

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m\ arc\ CD=148\°-105\°=43\°


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3 years ago
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suter [353]

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Step-by-step explanation:

4 0
2 years ago
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