Challenge Problem 2 2016

Triangle 1

(Note: Not drawn to scale)

In triangle ABC, CE is perpendicular to AB and BD is perpendicular to to AC. If EC = 5 and BD = 3, what is the ratio of AC to AB?

(A) 3 : 5          (B) 3 : 4          (C) 4 : 5          (D) 1 : 1          (E) 5 : 3

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Scaling Circles

The area of circle \(A\) is \(25\pi\), and the area of circle \(B\) is \(4\pi\). What is ratio of the circumference of circle \(A\) to the circumference of circle \(B\).

(A) 2.5 : 1      (B) 5 : 2      (C) 5 : 4    (D) 25 : 16      (E) 125 : 1 Read more ›