What is the most direct use of a compass in geometric constructions?
to draw congruent angles
to draw arcs of a given size
to draw perpendicular lines
to draw straight lines

The correct answer is:

To draw arcs of a given size.

Explanation:

A compass is a tool used to draw a circle. Since an arc is a part of a circle, the most direct use of a compass would be to draw arcs of a given size.

-2

7 - 9 = -2

reversed:

-2 + 9 = 7

x=6 and x=3

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