As stated the area of the circle is 85π ft2. The area of the sector BAC is a portion of this full circle area. the sector is made of 2 radii and arc that has rotated by 36°.
the magnitude of the central angle in the circle is 360°
Area for 360° central angle - 85π ft2
then the area for 1° = 85π ft2/360°
the area of 36° sector = 85π ft2/360° x 36°
= 8.5π ft2
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its 5 hours i think
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it is the same
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Quadrilateral ABCD does not map onto itself using a reflection because it has 0 lines of symmetry.
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Remember that a trapezoid has no lines of symmetry.
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what do you need help with ?
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