Labels:text | screenshot | diagram | circle | font | line OCR: B Part of the Area Contained Between Two Concentric Circles D A ENTER: Ch 4 r *Radius "r" ---- >|1 Units *Radius "R" ---- > Units R *aº ---- > Degs. ANSWERS: Arc AB= Units Arc DÈ = Units Segment Perimeter Units Th Segment Square S Area Units *Tab or double-click in field, enter what you know , then click any where on card to calcu- late the shadowed fields.