Question 41 Answer and Explanation _ACT April 2006 Form 63E Math Section

Use the following information to answer questions 39-41.

In the figure below, B and C are on HD and G and F are on HE . The measurements given are in inches. Both BGFC anD CFED are trapezoids. The area, A, of a trapezoid is given by A = $\frac{1}{2}$ h(b₁ + b₂)，where h is the height and b₁ and b₂ are the lengths of the 2 parallel sides.

41. What is the radius, in inches, of the largest circle that can be drawn so that no point of the circle is outside CFED ?

A. 40

B. 50

C. 60

D. 70

E. 80

Answer and Explanation

Your Answer is

Correct Answer is A

Explanation

Take the shortest side of the quadrilateral as the diameter of the circle, which is EF, so choose A