Question 1178998
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The distance from B to the top right corner of the paper and the distance from C to the bottom right corner of the paper are both 11-8.5=2.5 inches; that makes BC 6 inches.<br>
The two triangles are similar; the ratio of the lengths of the bases is 6:11, so the ratio of their heights is 6:11.<br>
So the height of triangle ABC is 6/17 of 8.5 inches, which is 3 inches.<br>
So triangle ABC has base 6 inches and height 3 inches; its area is one-half base times height, which is 9 square inches.<br>
ANSWER: 9 square inches<br>