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anonymous
 5 years ago
Triangle PQR is the image of ABC under a dilation.
Find the coordinates of B and R. Find the ratio k/h.
anonymous
 5 years ago
Triangle PQR is the image of ABC under a dilation. Find the coordinates of B and R. Find the ratio k/h.

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dumbcow
 5 years ago
Best ResponseYou've already chosen the best response.0Find scale factor A>P (4,1) > (7,7/4) 4*k = 7 1*k = 7/4 k=7/4 Apply scale factor to point C to find R C>R (1,4) >(1*k,4*k) R=(7/4, 7) To find B work backwards B >Q (x,y) >(x*k,y*k) x*k = 21/4 x = (21/4)/k = 21/4 * 4/7 = 3 y*k = 35/4 y = (35/4)/k = 35/4 * 4/7 = 5 B = (3,5) Ratio of k/h is same as scale factor k = 7/4 all sides of larger triangle will be 7/4 X larger than smaller triangle

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i got it and can u help me http://openstudy.com/groups/mathematics/updates/4dc9c0ca40ec8b0bc5a80d17
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