When constructing an inscribed square, how many lines will be drawn in the circle?
2 answers:
Answer:
Option A.
Step-by-step explanation:
We need to find the number of lines that will be drawn in the circle to construct an inscribed square.
The steps for constructing an inscribed square in a circle are
1. Draw a circle.
2. Make a diameter of that circle.
3. Draw the perpendicular bisector of that diameter.
4. Now marks the intersection points of these two lines are circle.
5. Connect these 4 intersection points consecutively by straight lines.
Diameter and a perpendicular bisector of diameter are two lines which that will be drawn in the circle to construct an inscribed square.
Therefore, the correct option is A.
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Answer:
An old bone contains 80% of its original carbon-14 in 1844.6479 years
Step-by-step explanation:
We know that
half life time of C-14 is 5730 years
so, h=5730
now, we can use formula
we can plug back h
and we get
An old bone contains 80% of its original carbon-14
so,
P(t)=0.80Po
we can plug it and then we solve for t
So,
An old bone contains 80% of its original carbon-14 in 1844.6479 years