What factors does Jenna need to model for the sides?
2 answers:
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9p^2 - 6 = 642; / + 6 ;
9p^2 = 648; / ÷9 ;
p^2 = 72 ;
p = +
;
Finally, p = +6
or p = -6
9p^2 = 648; / ÷9 ;
p^2 = 72 ;
p = +
Finally, p = +6
Answer:
B
Step-by-step explanation:
the measure of the chord- chord angle ABC is half the sum of the arcs intercepted by the angle and its vertical angle , that is
∠ ABC = (AC + DE) =
(75 + 45)° =
× 120° = 60°