GAUSS7 2009 Problem 12

Past Contests GAUSS7 GAUSS (GR. 7) - 2009
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1

\Delta{PQR} has an area of 27\:cm^2 and a base measuring 6\:cm. What is the height, h, of \Delta{PQR}?

Image

Answer Choices
A. 9\:cm
B. 18\:cm
C. 4.5\:cm
D. 2.25\:cm
E. 7\:cm