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1989 AJHSME Problems/Problem 11

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Problem

Which of the five "T-like shapes" would be symmetric to the one shown with respect to the dashed line?

unitsize(48);for (int a=0; a<3; ++a) {  fill((2a+1,1)--(2a+.8,1)--(2a+.8,.8)--(2a+1,.8)--cycle,black); }draw((.8,1)--(0,1)...

Solution

Drawing the reflection, we see that it is \boxed{\text{B}}. (Better explanation requested)

See Also

1989 AJHSME (ProblemsResources)
Preceded by
Problem 10
Followed by
Problem 12
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