circles topic

Question

ABC is a triangle which is inscribed in a circle with a radius 7 units and if AB is the longest chord of the circle then which of the following could be the area of triangle ABC

 

(a)10

(b)35

(c)49

(d)63

 

Answer 1

The longest chord of a circle is the diameter. The height of the triangle could be a much as 7.

A = 0.5(14)(7)

A = (7)(7)

A = 49