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

we have

substitute


step 2
Remember that the circumference of the circle subtends a central angle of 360 degrees
so
using proportion
Find out the measurement of the central angle (in degrees) that intercepts an arc with a length of 9π/2 ft

Answer:
I hope this help
Step-by-step explanation:
I hope this help
-1 is the first line after 0
8 is 3rd line one the right side after 5
-11 is just first line after 10..
I hope U understand
Answer:
640
Step-by-step explanation:
Answer:
90
Step-by-step explanation:
an obtuse angle is an angle from 90 - 180 degrees, so it would greater than 90 degrees