rrroach02 rrroach02
  • 16-06-2018
  • Mathematics
contestada

what is the value of a?

a) 27.5
b) 45
c) 50
d) 90

what is the value of a a 275 b 45 c 50 d 90 class=

Respuesta :

jcherry99
jcherry99 jcherry99
  • 16-06-2018
Step One
Draw a line across the arc that is labeled a

Step Two
Find the central angle.
The central angle of the arc labeled a is 2*45o =90o

Step three
The central angle and the arc are equal in measurement. a = 90o
Answer Link

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