Classwork ~ DSGT8734

Warm Up
Triangles B and C have been built by dilating Triangle A.[img]https://cdn.openupresources.org/uploads/pictures/8/8.2.A5.newPP.Image.01.png[/img][list=1][*]Find the center of dilation.[/*][*]Triangle B is a dilation of A with approximately what scale factor?[/*][*]Triangle A is a dilation of B with approximately what scale factor?[/*][*]Triangle B is a dilation of C with approximately what scale factor?[/*][/list][br][br][br][br][br][br][br][br][br][br][br][size=200][b]Answers;[br][/b]Solution[list=1][*]The center of dilation is here:[img]https://cdn.openupresources.org/uploads/pictures/8/8.2.A5.newPP.Image.02.png[/img][/*][*]3[/*][*]13[/*][*]23[/*][/list][/size]
Dilate the figure below by 1/2 and the centre point as B.
Exit Ticket/Practice
Here is a triangle.[list=1][*]Draw the dilation of triangle ABC, with center (0,0), and scale factor 2. Label this triangle A′B′C′.[/*][*]Draw the dilation of triangle ABC, with center (0,0), and scale factor 12. Label this triangle A″B″C″.[/*][*]Is A″B″C″ a dilation of triangle A′B′C′? If yes, what are the center of dilation and the scale factor?[/*][/list][img]https://cdn.openupresources.org/uploads/pictures/8/8.2.A.PP.Image.22.png[/img]
Triangle ABC is a right triangle, and the measure of angle A is 28∘. What are the measures of the other two angles? 
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– James Quintana, Arpit Kesharwani

Information: Classwork ~ DSGT8734