3. An arc with length 8t units is intercepted by a central angle with measure- rad.How...

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3. An arc with length 8t units is intercepted by a central angle with measure- rad.How long is the 4 circle's diameter? 4. Find the radius of a circle in which a central angle of rad determines a sector of area 64 m2. 3. An arc with length 8t units is intercepted by a central angle with measure- rad.How long is the 4 circle's diameter? 4. Find the radius of a circle in which a central angle of rad determines a sector of area 64 m2.