Question
Mathematics Question on Surface Area of Cube, Cuboid and Cylinder
With usual notation, if r = 7 cm and h = 10 cm in a cone, then its lateral height (approximately) 1 =
A
13.4 cm
B
10.3 cm
C
18.2 cm
D
12.2 cm
Answer
12.2 cm
Explanation
Solution
The correct option is (D):12.2 cm