6.3 Similar Figures and Scale Drawings

Chapter 6, Section 3: Similar Figures and Scale Drawings Ratios Make Things Similar!

Similar Figures ,[object Object],[object Object],[object Object]

These Figures Are Similar The symbol ~ means “ is similar to ”. To the right, ΔABC ~ ΔXYZ.

Similar Figures Have Two Properties. ,[object Object],[object Object]

Example Problems ,[object Object],[object Object],Side AB corresponds to side EF. So x/18 = 16/24 Write the CROSS PRODUCT. Divide and Simplify to SOLVE for X . X = 12

Try This… ,[object Object],[object Object]

Indirect Measurements ,[object Object],[object Object],[object Object]

Indirect Measurements ,[object Object],The Tree Is12.5 Feet Tall

REMEMBER TO KEEP YOUR RATIOS INLINE!!! THIS compared to THAT. THIS AND THAT have to be in the same ORDER every TIME .

Try This One and Draw It Yourself ,[object Object],The Flagpole is 28 feet tall.

Things That Are Scaled… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Scale Drawings ,[object Object],[object Object]

Guess Where This Is… This is the ratio for this Scale Representation!

Try This One… ,[object Object],[object Object],[object Object],[object Object],[object Object]

Assignment #44 ,[object Object],[object Object],[object Object]

6.3 Similar Figures and Scale Drawings

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6.3 Similar Figures and Scale Drawings