Locus

The locus of all the points at a fixed distance from a point A can be shown as a

• circumference

• circle

• square

• straight line

The locus of all the points at a fixed distance and less from a point A can be shown as a

• circumference

• circle

• square

• straight line

The locus of all the points at an equidistant distance from two points can be drawn as

• a segment

• a straight line passing through the center of both points

• two semicircumferences and two parallel lines

• a circumference

The locus of all the points at an equidistant distance from a straight line can be drawn as

• a segment

• a straight line passing through the center of both points

• two semicircumferences and two parallel lines

• a circumference

This is a park surrounded by houses in three sides and by a street in the other side. It has a sidewalk of 3m and grass in the main part. Please explain in words the restriction of this locus.

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Rex is a happy dog which has been tied to a stick in the middle of the park meanwhile his owner goes to the bathroom. Select the option that shows the locus of all the points in which the dog can be. The locus is coloured.

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Jean, Carl and Horacio are playing hide and seek. Where should Carl be hidden so Jean can't see him?

• a

• b

• c

• a and b

• b and c

Jean, Carl and Horacio are playing hide and seek. Where should Carl be hidden so Horacio can't see him?

• a

• b

• c

• a and b

• b and c

Jean, Carl and Horacio are playing hide and seek. Where should Carl be hidden so neither Horacio nor Jean can't see him?

• a

• b

• c

• a and b

• b and c