I need help finding CR, AB, and CAB

Mathematics

1 answer:

aleksandrvk [35]3 years ago

4 0

Answer:CR= 53

AB = 118

CAB = 236

Step-by-step explanation: a whole is circle is equal to 360 degrees and when you see the two parts which dint have an angle, they look the same size. So I pluses 53 and 71 than subtracted from 360. Which then I divided it by two then you get the angle for A to B.

Hope this helped and hope this is the correct answer.

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Step-by-step explanation:

There is a trigonometry law called the law of sines, which states the sine of an angle divided by its opposite side is equivalent to the sine of all the other angles in that right triangle divided by its corresponding opposite side. You can use this law to help you solve for x. By applying the law of sines, you'll get that $\frac{sin(90^{o})}{x} =\frac{sin(42^{o})}{20}$ ⇒ $\frac{x}{sin(90^{o})} = \frac{20}{sin(42^{o})}$ ⇒ $x=\frac{20*sin(90^o)}{sin(42^{o})}$ ⇒ $x=29.9ft.$