Monthly Archives: January 2016

1/27/16- Triangle Similarity Proofs

Triangle Similarity Proofs- Notes   Triangle Similarity Proofs- Worksheet

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1/26/16- Indirect Measurement

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Warm-up       a.) From the diagram above, create a similarity statement and give a reason. b.) if BA=28, CE=20, and ED=45, find AE. Indirect Measurement Shadow Problems– Ex.) A 5ft tall person casts an 8ft shadow, while at … Continue reading

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1/25/16- Angle Bisector Theorem Practice

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Warm-up             a.) Create a similarity statement and give a reason. b.) What is the ratio of side lengths from the bigger triangle to the smaller triangle? c.) What is the ratio of side lengths … Continue reading

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1/22/16- Angle Bisector Theorem

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Warm-up             From the diagram above, create a similarity statement and give a reason for your statement. If x/y=a/b and a=c, create another valid proportion involving c. Create a diagram where GH bisects angle EGF … Continue reading

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1/20/16- Warm-up & Springboard Review

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Warm-up             a. Identify whether or not the two triangles are similar. If so, create a similarity statement and give a reason. b. Find HJ and GK.   We then worked through any remaining pages … Continue reading

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1/19/16- Triangle Proportionality Theorem

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Warm-Up a. Identify whether or not the two triangles below are similar. If so, create a similarity statement and give a reason.               b. If BC=21, EC=18, and DC=14, find AE.   There are … Continue reading

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1/15/16- Triangle Similarity Structures

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SSS- If all three pairs of sides of two triangles are proportional, then the two triangles are similar. SAS- If two triangles have two pairs of proportional sides and the angles between those sides are congruent, then the two triangles … Continue reading

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1/13/16- Similarity Investigation

Warm Up a. You get a job that makes $10/hr. You work 40 hrs per week and every other week, your paycheck is for $575.60. How much would you expect your paycheck to be if you work for 30 hours … Continue reading

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1/12/16- Dilations on the Coordinate Plane

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Warm-up   Today we dealt specifically with dilations on the coordinate plane when the center of dilation is not on the origin. Ex.) Dilate ∆GHI with G(3,1), H(6,7), and I(9,4) by a scale factor of 1/3 and center of dilation … Continue reading

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1/11/16- Dilations on the Coordinate Plane

Warm-up Amusement park A sells regular tickets for $47 and a 3-day pass for $130. Amusement park B sells regular tickets for $52 and 3-day passes for $140. Are the discounts at each park proportional to one another? We then … Continue reading

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