Answer for any of these will help with work as well

Mathematics

1 answer:

Orlov [11]3 years ago

8 0

13. 81.64
14. 803.84
15. 153.83
16. 753.6

you just use circumference and area formulas for a circle

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Answer:

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EXPLANATION:

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Whitepunk [10]

Answer:

x=20; vertical angles theorem

Step-by-step explanation:

hi! we can use the vertical angles theorem for this. vertical angles are congruent to each other, meaning they are the same amount of degrees. so, we can set 2x+10 and 50 equal to each other.

2x+10=50

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