Adina is constructing a line perpendicular to YJ . She has already constructed two arcs as shown. She moves her compass point to Y to construct an arc above the line. What must be true about the width of Adina’s compass opening before she draws the arc?

A. It must be narrower than it was when constructing the first two arcs. B. It must be the same as it was when constructing the first two arcs.
C. It must be wider than it was when constructing the first two arcs.

It has to be wider than the first two arcs or else you will just get two circles side by side with point c in common. I usually measure it to be the length of a point between the c and j. It is a good point to get the arcs to intersect.

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codiepienagoya codiepienagoya · Answer 2 · 2021-09-29T00:27:35+02:00

The arc is every two-point smooth curve. The length of an arc is called the length of its arc. In a chart, a chart arc is an adjacent pair of vertices. A semicircle is called an arc, whose endpoints lie on a circle diameter.

It must be broader than the first two arcs or you'll only get two circles alongside.
The length of a point between the c and j is measured. The arches are a good way to cross.
The compass shall be set to a length broader than the length of YC when drawing arcs below and above the YJ line.
The arc production passes, not giving a line perpendicular to YJ.

Therefore, the final answer is "Option C".

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