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tiny-mole [99]
3 years ago
12

How do I do question 9 b?

Mathematics
1 answer:
Lynna [10]3 years ago
3 0
You find the circumference of a full circle so 2πr =43.98
then divide by 4=10.995
so the answer is 10.995cm
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Help please less than 19 minutes to turn in
vagabundo [1.1K]
Angle K = angle M

(4x-1)=(2x+27)

4x-2x=27+1

2x=28

x=14

K=4x-1 then 4(14)-1
55 degrees
M=2x+27 then 2(14) +27
55 degrees
K+M+L =180
55+55+L=180
110+L=180
L=70 degrees
Therefore K=55 degrees M=55 degrees L=70 degrees
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Answer:

20.7%

Step-by-step explanation:

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Increase percentage = \frac{578}{2790}*100 = 20.71

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