The value of a stock increased by $4.90, and then decreased by $7.35. What was the net change in value of the stock?
1 answer:
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Answer:
Construct a square of side length 4 cm
Step-by-step explanation:
* Lets explain how to construct a square polygon with side length 4 cm
- Use your straightedge to draw a horizontal line
- Measure on the horizontal line a segment of 4 cm
- Label its endpoints by A and B (AB = 4 cm)
- Open your compass at a distance greater then half AB (3 cm)
- Put the pin of the compass at point B and draw an arc intersects AB
at point E and the horizontal line at point F
- Open the compass at a distance greater than the length of the side
of the square (6 cm) and put its pin on the point E and draw an arc
- Put the pin of the compass on the point F without changing the open
of the compass and draw another arc
- The two arcs intersect each other at point G
- Join BG and measure 4 cm from point B and label the end point of
the 4 cm by C
- Open your compass at a distance 4 cm and put the pin on point C
and draw an arc and put it on point A with the same distance 4 cm
and draw another arc, the two arc intersect each other at point D
∴ ABCD is a square of side length 4 cm
# Look to the attached figure to more understand
