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Home > A2C > Chapter Ch9 > Lesson 9.3.2 > Problem 9-161


Notice that half of the circle is shaded.

See part (a).

Remember that 60° is one sixth of a full circle.

See part (a).

Each of the smaller squares are a quarter of the next one larger than it.

Subtract the value of a circle with a radius of one from the 2 by 2 square.

4 − 1(π)