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Geometry/Trig Name __________________________

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Presentation on theme: "Geometry/Trig Name __________________________"— Presentation transcript:

1 Geometry/Trig Name __________________________
4-4 Isosceles Δ Notes Date ___________________________ Review: Definition of Isosceles Triangle: ______________________________________________________ _______________________________________________________________________________ Theorem: _____________________________________ Theorem: _____________________________________ So, ____________________ So, ____________________ Review: Solve for x Ex.1) Ex.2) 82° 2x + 1 4x - 6 x° 5x - 10 Algebra Example 4: Given ABC is an isosceles triangle. Solve for x and each angle. A B C x = _____ mA = _____ mB = _____ mC = _____ 3x + 2 x + 4

2 Proof Example 2: Diagram: Given: _______________________
Proof of Theorem: Diagram: Given: _____________________________ Prove: _______________________ Statements Reasons __________________________________ __________________________________ Proof Example 1: Diagram: Given: _______________________ Prove: _______________________ Statements Reasons __________________________________ 3. __________________________________ 4. __________________________________ __________________________________ 3. __________________________________ 4. __________________________________ Proof Example 2: Diagram: Given: _______________________ Prove: _______________________ Statements Reasons __________________________________ __________________________________

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