Step-by-step explanation:
- A circle is only composed of the points on the border
- The distance around the circle is called circumference
Answer:
its the second one
Step-by-step explanation:
Answer & Step-by-step explanation:

The diameter of the circle is 8 m and the radius of the circle is 4 units. So, now we have to plug in the numbers so we can find the circumference and the area of the circle.


So, the circumference of the circle is 25.12 m.



So, the area of the circle is 50.24 units².
Answer:
60.9
Step-by-step explanation:
Answer:
The height of the elephant is
.
Step-by-step explanation:
It is given that,
Distance between a person and an elephant is 15 ft
The angle of elevation of the elephant is 30 degrees.
We need to find the height of the elephant. For this let us consider that height is h. So,

So, the height of the elephant is
.