Given:
Diameter of the hole = 30 cm
To find:
The area of the hole.
Solution:
The radius of a circle is always half of the diameter. It is given that the diameter of the hole is 30 cm. So, the radius of the hole is:


Area of a circle is:

Putting
and
in the above formula, we get



Therefore, the area of the hold is 706.5 square cm.
Answer:
3,266.53
Step-by-step explanation:
i looked it up :)
The correct answer is 77 degrees
Answer:
x=79*
Step-by-step explanation:
136+60+85+x=360
281+x=360
x=360-281
x=79