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4 Ways to Calculate the Area of a Circle

Find the area of a sector of a circle having radius r and central angle θ . Express answers to the nearest tenth. See Example 5 . 49. r = 29.2m,θ = 65π radians 50. r = 59.8km,θ = 32π radians 51.
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Area of a circle (video)

Area Of A Circle Formula If you know the radius, r r, in whatever measurement units (mm, cm, m, inches, feet, and so on), use the formula π r 2 to find area, A A: A = πr2 A = π r 2 The answer will be square units of the linear units, such as

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What is the value of x in the equation 3x + 5 = 17? The value of x in the equation 3x + 5 = 17 is 12.

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