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alekssr [168]
3 years ago
15

[please help asap!]

Mathematics
1 answer:
Citrus2011 [14]3 years ago
5 0

Answer:

(a+b)^2 = a^2 + 2ab + b^2

(a-b)^2 = a^2 - 2ab + b^2

(a-b)(a+b) = a^2 - b^2

Step-by-step explanation:

They differ because you can either add the property or multiply

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rodikova [14]

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17.1972degrees

Step-by-step explanation:

length of an arc = theta/360 * 2πr

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Hence the required angle is 17.1972degrees

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3 years ago
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2 years ago
Which theorem would be used to prove the triangles below as congruent?
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