Answer:
Given a line and a point not on it, no lines parallel to the given line can be drawn through the point. you get an elliptic geometry.
Step-by-step explanation:
Answer:
Step-by-step explanation:
(1). A = π r²
A = 4 π
Area of shaded region is
=
or
(2). C = 4 π
In this case, the length of the bigger arc and the area of shaded region happen to be the same.
The length of the arc ADB is
or
Answer:

Step-by-step explanation:
we know that
----> by Intersecting Chords Theorem
substitute the given values

solve for x


After 12 hours the pound would have 720 pounds of algae.
Answer:
Step-by-step explanation:
Exact Form: x(39)/(2)
Mixed form:x=19(1)/(2)