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zhenek [66]
2 years ago
10

Helps me with this please

Mathematics
2 answers:
Misha Larkins [42]2 years ago
8 0

Answer:

AB = 39

Step-by-step explanation:

Hope this helps

sweet [91]2 years ago
7 0

The distance between A and B and the distance between C and D are the same ( the 2 little lines indicate that).

This means the two arc lengths would also be the same.

Set the equations equal to each other,, solve for x then solve for the arc length.

AB = 3x +9  

CD = 11x-71

3x+9 = 11x-71

Subtract 3x from both sides:

9 = 8x-71

Add 71 to both sides:

80 = 8x

Divide both sides by 8:

x = 10

Now solve for AB:

3x +9 = 3(10) +9 = 30+9 = 39

The answer is AB = 39

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