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Warm Up Find the missing side. In the diagram, ΔABC is equilateral, CD is an altitude, and AC = 12. What relationship exists between Δ ADC and Δ BDC?

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Presentation on theme: "Warm Up Find the missing side. In the diagram, ΔABC is equilateral, CD is an altitude, and AC = 12. What relationship exists between Δ ADC and Δ BDC?"— Presentation transcript:

1 Warm Up Find the missing side

2 In the diagram, ΔABC is equilateral, CD is an altitude, and AC = 12. What relationship exists between Δ ADC and Δ BDC? Find AD and BD. Find CD. What relationship exists between AD and AC? What relationship exists between CD and AD? A D B C

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8 Using the figure, find VS ST VT The ratio of the perimeter of Δ VSR to the perimeter of Δ VRT 6 R V S T 30 60 17

9 Try this one!

10 What about this one?

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13 Given: ABCD is a trapezoid with DC parallel to AB. AB = AD = 4 Angle A – 60 degrees Angle C = 45 degrees Find: DC BC 60 45 C D B A 25

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