Question

The small circles are equal in area and the area of the big circle is 25𝜋 $c{m}^2$. If the perimeter of the triangle formed by joining the centres of the circle is 22 $cm$, what is the area of the triangle (in $c{m}^2$)?

• A. $2\sqrt{1}5$
• B. $3\sqrt{1}5$
• C. $3\sqrt{5}5$
• D. $2\sqrt{5}5$

Answer 1

The correct option is C $3\sqrt{5}5$