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zmey [24]
3 years ago
15

5. Find the length of the arc made by an angle of 120° on a circle with radius 12 inches.

Mathematics
1 answer:
Hunter-Best [27]3 years ago
5 0

Answer:

25.43inches

Step-by-step explanation:

Length of arc = 120/ 360. * 2* pi * r

= 1/ 3 * 2 * 22/ 7 * 12 = 178 /7 = 25.43inches

Note : 2pi * r= length of a circle.

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200-[(50-4)×3+5]<br><img src="https://tex.z-dn.net/?f=200%20-%20%28%2850%20-%204%29%20%5Ctimes%203%20%2B%205%29" id="TexFormula1
lbvjy [14]
200 - [ ( 50 - 4 ) × 3 + 5 ]
= 200 - [ 46 × 3 + 5 ]
<Put brackets around the 2 number that enclose the times sign as a reminder to do that first>
= 200 - [ ( 46 × 3 ) + 5 ]
= 200 - [ 138 + 5 ]
= 200 - (143)
= 57

Hope this helps!
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