Answer:

Step-by-step explanation:
The swing of the tip of pendulum is creating an arc. The question is actually asking for the length of this arc. The length of an arc is given by
, where
is the radius of the circle and
is the angle of the arc.
In this problem, we're given:

Substituting given values, we get:

The answer to the question is D
Answer: The length of pencil is 16 centimetres and length of crayons is 8 centimetres
Step-by-step explanation:
Let the length of crayon =
Length of a pencil =
As according to question that the sum of their length is 24 centimetres
So we have

Therefore the length of crayon = 8 centimetres
Length of pencil=
centimetres
Hence, the length of pencil is 16 centimetres and length of crayons is 8 centimetres
Answer:
In the picture
Step-by-step explanation: