Find the area enclosed between two concentric circles of radii 3.5 cm and 7 cm. A third concentric circle is drwan outside the 7 cm circles, such that the area enclosed between it and the7 cm circle is same as theat between the two inner circles. Find the radius of the third circle correct to one decimal place.

Find the area enclosed between two concentric circles of radii 3.5 cm and 7 cm. A third concentric circle is drwan outside the 7 cm circles, such that the area enclosed between it and the7 cm circle is same as theat between the two inner circles. Find the radius of the third circle correct to one decimal place.

Matching exercise

Match the items on the right to the items on the left.

Step 1

Step 2

Step 3

Step 4

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