Difference between revisions of "2023 AMC 8 Problems/Problem 19"
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| − | + | By AA~ similarity triangle we can find the ratio of the area of big: small —> <math>\frac{9}{4}</math> then there are a relative <math>5</math> for the <math>3</math> trapezoids combines. For <math>1</math> trapezoid it is a relative <math>53</math> so now the ratio is <math>\frac{5}{\frac{3}{4}}</math> which can simplify to <math>\boxed{\text(C) \frac{5}{12}}</math> | |
Revision as of 19:26, 24 January 2023
By AA~ similarity triangle we can find the ratio of the area of big: small —>then there are a relative
for the
trapezoids combines. For
trapezoid it is a relative
so now the ratio is
which can simplify to
then there are a relative 
for the 
trapezoids combines. For 
trapezoid it is a relative 
so now the ratio is 
which can simplify to 
