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Published byAriel Holler Modified over 2 years ago

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Finding the Center of Circle Draw two chords on the circle Find the perpendicular bisectors for each Where the two perpendicular bisectors meet is the center of the circle chord center Perpendicular bisector

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Follow Sketchpad directions to determine diameter of plate

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500 feet 1425 feet Finding the Angle of Elevation

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500 feet 1425 feet Tangent Ratio Tangent Adjacent Opposite =

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500 1425 ( ( tan 1425 500 500 feet 1425 feet Solving for X = tan =

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500 1425 ( ( tan 1425 500 500 feet 1425 feet Solving for X = tan = ≈ 19.33 ⁰

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Use trig, shadow, and website to help determine the time of day

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Suspect Worksheets

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Your job: Sort through the evidence Listen to ipod and/or read interviews Find the criminal

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Debriefing: Share your ideas with your supporting evidence.

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Please put all papers and documents back in proper spot Return ipods Move chairs/desks back to original position Time to clean up...

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The End

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Circle Properties - Ch 6 Chord Central Angles Conjecture If two chords in a circle are congruent, then they determine two central angles that are…....congruent.

Circle Properties - Ch 6 Chord Central Angles Conjecture If two chords in a circle are congruent, then they determine two central angles that are…....congruent.

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