Answered

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Find the length of AB
80° arc

Find The Length Of AB 80 Arc class=

Sagot :

Guccigungun
I think it is 90. I hope this helpsb
kacibaxter34

Answer:

11.2

Step-by-step explanation:

The formula for an arc length is [tex]\frac{a}{360\\}[/tex]2πr {a=inside angle(in this case 80°) r=radius}

Simplify this formula by dividing the bottom by two and combining pi and r with the top.

[tex]\frac{\pi80times8 }{180}[/tex]

80 times 8 is 640, so

[tex]\frac{640\pi }{180\\}[/tex]

plug 640 times pi into a calculator and divide by 180.

you'll get 11.170107etc

Round your answer to the nearest tenth, and you get;

11.2

Sorry the steps are so confusing!

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