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Isosceles and Equilateral Triangles. Section 4.6 Objective: Use properties of isosceles triangles. Theorem 4.10 Isosceles Triangle Theorem. Theorem 4.11 Converse of Isosceles Triangle Theorem. Example 1. Example 2. Find m <SRT. Example 3. Find x and y. Example 4. Find x. Example 5.
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Isosceles and Equilateral Triangles Section 4.6 Objective: Use properties of isosceles triangles.
Example 2 Find m <SRT
Example 3 Find x and y.
Example 4 Find x.
Example 5 Find x and y.
Example 6 • < Z • YZ
Example 7 Find x and y.
Example 8 In the figure AC BC and CD BD. • If m <ACB = 100, find the m <BDC. • If m <BAC = 30, find the m <BDC.
Example 9 ΔKLN and ΔLMN are isosceles and m <JKN = 100. Find each measure. • m < LNM • m <M • m <LKN • m <J