Question

10. The length of a pencil is 18 cm and its radius is 4 cm. Find the ratio of its length to its diameter.​

Answer 1

Answer:

8:18 or 4:9

Step-by-step explanation:

length : diameter

diameter = 2 x radius or 2r

r=4

2r=2 x 4 = 8

8:18

8/2:18/2

4:9

Answer 2

Step-by-step explanation:

Given:

• Length = 18cm
• Radius = 4cm

To find:- Length : Diameter

As we know, Diameter = 2 × Radius

Thus Diameter = 2× 4 = 8cm

Length : Diameter

$\dfrac{18}{2}$ : $\dfrac{8}{2}$

9 : 4

Hence, 9:4 is the Ratio.