1.

The maximum radius of addendum to avoid interference is given by the formula ____________

A. ((R cosφ)<sup>2</sup> + (R sinφ + r sinφ)<sup>2</sup>)<sup>0.5</sup>
B. ((R cosφ)<sup>2</sup> + (R sinφ – r sinφ)<sup>2</sup>)<sup>0.5</sup>
C. ((R cosφ)<sup>2</sup> – (R sinφ + r sinφ)<sup>2</sup>)<sup>0.5</sup>
D. ((R cosφ)<sup>2</sup> – (R sinφ – r sinφ)<sup>2</sup>)<sup>0.5</sup>
Answer» B. ((R cos‚âà√¨‚àö√∫)<sup>2</sup> + (R sin‚âà√¨‚àö√∫ ‚Äö√Ñ√∂‚àö√ë‚àö¬® r sin‚âà√¨‚àö√∫)<sup>2</sup>)<sup>0.5</sup>


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