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A. 24 m B. 20 m C. 14 m D. 12 m
v your on
hint: TU is 3 times as big as QR so ST will be 3 times as big as PQ
so b or a
think carefully about what I just wrote..
how big is PQ?
good, so how big is ST?
it a !!!
hat is the scale factor for the similar figures? A. B. C. D.
a is 4
b is 3 - 2
c is 2 - 3
d is 1 - 4
yeah that is pretty much similarity, a 'zoom' in a by a certain amount sorta
corresponding sides of the figure, will be in the same ratio, or proportion (a/b
12/3 = 8/2 = ..
i can only pick one
you are moving from larger to smaller, so you want the inverse of that scale, the larger is 4 times larger than the smaller, or the smaller is 1/4 the larger
for similarity and congruence, match up the sides in ratios like that, you can solve for missing things if you need to
i think its a
th esmaller figure is 1/4 the size of the original, that is the scale, notice the ratio of the sides 2/8 = 3/12
reduces to 1/4
i got a 80
all the sides on the smaller one are 1/4 the size of the larger corresponding size, that is the zoom scale factor to change from small to large lengths
look ar the properties of similar figures, you will see that sides are in proportion