Gareth plotted P, Q, R incorrectly to represent the vertices of an isosceles triangle as shown in the figure below.

What can Gareth do to correct his error?

A. Change the location of point R to beyond the arc.

B. Change the location of point Q to a point on the arc.

C. Draw a perpendicular line that passes through P and plot point Q to the right of the perpendicular line.

D. Draw a perpendicular line that passes through P and plot point Q at the intersection of the perpendicular line and the arc.

Question

Gareth plotted P, Q, R incorrectly to represent the vertices of an isosceles triangle as shown in the figure below. 

What can Gareth do to correct his error? 

A. Change the location of point R to beyond the arc.

B. Change the location of point Q to a point on the arc.

C. Draw a perpendicular line that passes through P and plot point Q to the right of the perpendicular line.

D. Draw a perpendicular line that passes through P and plot point Q at the intersection of the perpendicular line and the arc.

anonymous · Answer

attachment

paxpolaris · Answer

PR is a radius of the circle

paxpolaris · Answer

if PQ was also a radius.....

anonymous · Answer

they would be equal?

anonymous · Answer

B. Change the location of point Q to a point on the arc.

paxpolaris · Answer

technically D would also work ... but if must choose one, choose B

anonymous · Answer

Ok cool but can you explain how you get that?

paxpolaris · Answer

D. puts point Q at the intersection of perpendicular line and arc .... so, Q is on the arc, and PQ is still the radius