On a semicircle with diameter AD, chord BC is parallel to the diameter. Further, each of the chords AB and CD has length 2, while AD has length 8. What is the length of BC? Image not present [http://mba.edooni.com/data/images/common/papers/45/5.jpg]

On a semicircle with diameter AD, chord BC is parallel to the diameter. Further, each of the chords AB and CD has length 2, while AD has length 8. What is the length of BC?

A.
7.5
B.
7
C.
7.25
D.
None of the above

Correct Answer : A

Realated Questions

Let C be a circle with centre P₀and AB be a diameter of C. Suppose P₁is the mid point of the line segment P₀B, P₂is the mid point of the line segment P₁B and so on. Let C₁, C₂, C₃, ...... be circles with diameters P₀P₁, P₁P₂, P₂P₃... respectively. Suppose the circles C_1,C₂, C₃, .... are all shaded. The ratio of the area of the unshaded portion of C to that of the original circle C is?
The lines represented by the three equations

2X+3Y-5=0: 3X-5Y+2=0, and -5X+2Y+3=0
In the adjoining figure, ABCD is a square BCE is an equilateral triangle. The angle BAE is