Five years ago, Adam's age was 4/3 times that of Vanessa's. Three years from now, Vanessa's age will be 5/6 times that of Adam's. What is the present age of Vanessa? A. 17 years
B. 20 years
C. 16 years
D. 22 years

80° is the measure of gh

step-by-step explanation:

circle f is congruent to circle j

we have two circle with center f and j.

both circles are congruent. the radius of the circle would be equal.

see the attachment for the circle.

we are given ∠efd ≅ ∠gjh

therefore, arc (ed) = arc (gh)     (∴ circle f is congruent to circle j)

but ∠dfe=80°=arc (ed)

therefore, arc (gh) = 80°

thus, 80° is the measure of gh

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