1.

 Two triangles have equal bases. The altitude of one triangle is 3 units more than its base and the altitude of the other triangle is 3 units less than its base. Find the altitudes, if the areas of the

A. 3 and 9
B. 4 and 10
C. 5 and 11
D. 6 and 12
Answer» C. 5 and 11


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