# Chapter 8 - Geometry - 8.6 Circles - 8.6 Exercises: 5

Radius of the circle: 0.35 km

#### Work Step by Step

Diameter of a Circle: $d$ = 2$r$ Therefore: 0.7 km = 2($r$) $r$ = 0.7 km / 2 $r$ = 0.35 km

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