1. What is the locus of the tip of the minute hand watch?
Circle
perpendicular bisector
Bisector
line
2. What is the locus of a point on the handle of a garage door which moves vertically?
A line perpendicular to the ground
A line parallel to the ground
A circle
3. What is the locus of a point on the handle of a door which opens through one right angle?
circle
arc
4. What is the locus of a point on a boat moving so that its distance from a lighthouse remains constant
5. Draw a segment [BC] of length 4 cm. Find the locus of points A so that the triangle ABC remains isosceles?
height
Perpendicular bisector
6. Draw a segment [BC] of length 4 cm. Find the locus of points A so that the triangle ABC remains right angled at C?
perpendicular
perpendicular at C
parallel
7. Draw a triangle ABC such that AB= 5.5 cm, BC= 6 cm and CA= 7 cm. Find a point equidistant from A, B and C.
We must draw the heights
we must draw the center of gravity
We must draw the perpendicular bisectors
8. What is the locus of a point on a satellite moving around the earth at constant altitude?
an arc
a circle
a line
The locus of a point at a constant distance from a fixed point is a circle.
10.The locus of a point equidistant from two fixed points is a circle
