Answer:
EF
Step-by-step explanation:
A chord is a line segment whose endpoints both lie on the circle.
EF is the chord.
AC is the radius.
DC is a tangent.
FC is a secant.
The correct answer is the first choice.
I am not sure, but I think you are talking about the least square method
Answer:
72cm
Step-by-step explanation:
A=a^2
p=4a
p=4√A=4x√324=72 cm
Answer:
78.675 pounds
Step-by-step explanation:
36.4 + 42.275 = 78.675 pounds
