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Warm Up April 24 th 1.What is the formula for the inscribed angle? 2.What is the formula for a vector outside the circle?
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EOCT Week 14 #4
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Circumference & Arc Length of Circles
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Circumference The distance around a circle
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or Circumference
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Find the EXACT circumference. 1.r = 14 feet 2.d = 15 miles
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Ex 3 and 4: Find the circumference. Round to the nearest tenths.
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5. A circular flower garden has a radius of 3 feet. Find the circumference of the garden to the nearest hundredths. C = 18.85 ft
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Arc Length The distance along the curved line making the arc (NOT a degree amount)
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Arc Length
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Ex 6. Find the Arc Length Round to the nearest hundredths 8m 70
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Ex 7. Find the Arc Length Round to the nearest hundredths 12 in 110
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Ex 8. Find the exact Arc Length.
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Area of a Circle
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Ex 9. Find the exact area of the circle.
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Ex 10. Find the exact area of the circle.
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Area of a sector of a circle
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Ex 11. Find the exact area of the sector of the circle.
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Ex 12. Find the exact area of the sector of the circle.
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Area of a segment
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Ex 13. Find the area of the segment.
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Ex 14. Find the area of the segment.
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Radian Measure of a Circle another way to measure angles!
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How to convert from … Mode – RAD Type degrees Math – DMS – 1: OR Angle – 1: enter Mode – DEG Type radians Math – DMS – 4: OR Angle – 4: enter
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Arc Length Homework 11 problems
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