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Mathematics, 30.07.2019 02:20 jonlandis6

Abelt is drawn tightly around three circles of radius $10$ cm each, as shown. the length of the belt, in cm, can be written in the form $a + b\pi$. what is the value of $a + b$?

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Abelt is drawn tightly around three circles of radius $10$ cm each, as shown. the length of the belt...
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