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Lesson (6.5) Parts of Similar Triangles BC A D Altitude BC A N Median Angle bisector BC A M
E F D X Y Z B C A M L N If then The perimeter of the triangle is the sum of the measures of its sides
Angle bisector Theorem BC A D If AD is an angles bisector then
Check for understanding Find the perimeter of the given triangle Step1: Set up proportions. Step3: Cross multiply and solve for x. 5 Step2: substitute the values.
Check for understanding Find x Step1: Set up proportions. Step2: Cross multiply and solve for x
Check for understanding Find x Step1: Set up proportions. Step2: Cross multiply and solve for x. 4 4
Check for understanding Find x Step1: Use the angle bisector Theorem. Step2: Cross multiply and solve for x. 8 8
HomeworkHomework Page 320 – 322 #s (10, 14, 18, 22, 24)
Written Exercises page 320 Find the perimeter of the given triangle Step1: Set up proportions. Step3: Cross multiply and solve for x. Step2: substitute the values. 10)
Written Exercises page 320 Find the perimeter of the given triangle Step1: Set up proportions. Step3: Cross multiply and solve for x. Step2: substitute the values. 14)
Written Exercises page 320 Step1: Set up proportions. Step3: Cross multiply and solve for x. Step2: substitute the values. 18)
Find x Step1: Set up proportions. Step2: Cross multiply and solve for x. Written Exercises page )
Find x Step1: Use the angle bisector Theorem. Step2: Cross multiply and solve for x. Written Exercises page )
Honors Geometry Section 8.5 Indirect Measurement & Additional Similarity Theorems.
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Course Using Similar Figures Do Now Test Friday on chapter5 section 1-8 Solve each proportion. 1. k4k4 = = 24 x 3. Triangles JNZ.
1 MEDIANS ARE PROPORTIONAL ALTITUDES ARE PROPORTIONAL ANGLE BISECTORS ARE PROPORTIONAL PERIMETERS ARE PROPORTIONAL ANGLE BISECTORS FORM PROPOR. SEG. PROBLEM.
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