Circles – Area & Circumference

Tangent Area Arc. Chord Sector Segment Finding the area and circumference of a circle. The formula for the area of a circle is . The formula for the circumference of a circle is . Now find the area & circumference of each of these circles : Harder Questions. Q1 The inner radius of this shape is 2cm. The radius to the outside is 5cm. Find the ... ................
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