Question

यदि
र
। हो।
72. Find the slant height of a cone whose
height is 4 cm and diameter is 6 cm.
(A) 5 cm
(B) 10 cm
(C) 25 cm
(D) None of these.​

Answer 1

Answer:

A 5 cm

Step-by-step explanation:

H= 4 cm

D= 6 cm

Therefore, R= 3 cm

Then, in a cone

slant height=

$\sqrt{h^{2} + r^{2} }$

$\sqrt{4 {}^{2} + 3 {}^{2} }$

$\sqrt{16 + 9}$

$\sqrt{25}$

$5$

Hence, Slant height=5cm