otaiwo0632 otaiwo0632

27-07-2020
Mathematics

contestada

A
85°
O A. 45
o
E
O B. 32.5
B
C. 52.5
D. 65
SUBMIT

A 85 O A 45 o E O B 325 B C 525 D 65 SUBMIT class=

Respuesta :

ToTheMoonNBack ToTheMoonNBack

27-07-2020

Answer:

A

Step-by-step explanation:

The formula for external arc measures ia 1/2(x-y) where x is 85 and y is the smaller arc. Knowing the actual angle measurement, we can see that we have 1/2(85 - y) = 20; y = 45. Answer A is your answer.

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