Area of quadrilateral \(ABDE\) = Area of rectangle \(ABCD\) + Area of triangle \(△CDE\)
\(= (7−3)×5 + \frac 12×10×5\)
\(=4×5 + 25\)
\(=20+ 25\)
\(=45\) square units.
So, the correct option is (A): \(45\)
From one face of a solid cube of side 14 cm, the largest possible cone is carved out. Find the volume and surface area of the remaining solid.
Use $\pi = \dfrac{22}{7}, \sqrt{5} = 2.2$