Answer:
970
Step-by-step explanation:
Answer:
The area should be "210 cm to the second power"
Answer:

Step-by-step explanation:
step 1
Find the circumference of the circle
The circumference is equal to

we have

substitute

step 2
we know that
The circumference of a circle subtends a central angle of 360 degrees
so
using proportion
Find out the arc length by a central angle of 168 degrees

Answer:
multiply by 2
Step-by-step explanation:
Answer:
Step-by-step explanation: