The areas of a regular pentagon and a regular hexagon are both equal to 12 sq. cm. What is the difference between their perimeters?
A0.02
B0.03
C0.2
D0.3
Mathematics · Question Bank
Plane Geometry
2 of 23 questions match. Answer in your head first, then check the solution.
Find the radius of the circle inscribed in the triangle determined by the lines \(y = x + 4\), \(y = -x - 4\) and \(y = 7x - 2\).
A\(\dfrac{5}{\sqrt{2}}\)
B\(\dfrac{5}{2\sqrt{2}}\)
C\(\dfrac{3}{\sqrt{2}}\)
D\(\dfrac{3}{2\sqrt{2}}\)