In the download section one can download a SAT example test. Section 2 question 17:A rectangle measuring 8 cm by 14 cm is completely divided into x nonoverlapping triangles. Each triangle with the sides 2,7,8 cm. What is the values of x?You give the answer x=16This can not be the correct answer. The answer assumes that the triangles have a right angle and the area 7. But there is no right angle in such a triangle and the area is actually approx 6,437 (Herons formula).
Is this an official SAT test example or just one from Math Planet?
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It's an example test that Mathplanet has written but that is similar to the official SAT test examples