Area - Circumference - Circles 7.G.B.4 Grade Practice Test Questions TOC | Lumos Learning

Area - Circumference - Circles 7.G.B.4 Question & Answer Key Resources Lumos Workbooks Master Course - Grade 7 Mathematics

Lumos Workbooks Master Course - Grade 7 Mathematics Area - Circumference - Circles

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Circles having the same centre but different radii are called concentric circles. In the figure given below, find the area of the shaded portion (between the two concentric circles). Radii of the two circles are 8 cm. and 3 cm. (diagram is not to the scale). Use = 3.14