11b if you look at what you wrote for 11a you'll be fine. see you use the distance fomula for part a to get |z-w| you have sqrt(a^2+b^2) and if you think about that it is the pythagorean theorem. so if it says that |z-(2+2i)|=4 then you know the hypotenuse will be 4 and youd gett a right triangle with hyp 4. hoped that helps
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11b if you look at what you wrote for 11a you'll be fine. see you use the distance fomula for part a to get |z-w| you have sqrt(a^2+b^2) and if you think about that it is the pythagorean theorem. so if it says that |z-(2+2i)|=4 then you know the hypotenuse will be 4 and youd gett a right triangle with hyp 4.
hoped that helps
sarah iqbal
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