Alex drew a circle with right triangle PRQ inscribed in it, as shown below:
The figure shows a circle with points P, Q, and R on it forming an inscribed triangle. Side PQ is a chord through the center and angle R is a right angle. Arc QR measures 80 degrees.
If the measure of arc QR is 80°, what is the measure of angle PQR?
Stacey Warren - Expert brainly.com
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see if Qr=80 then, QPR=80/2
angle subtending arc= arc/2 (formula)
using angles of triangles.
total angles (when added) =180
what we have here is 90+40+x=180
no its not 40
90+40(which we took out+x(which we have to find)=180
now solve for x, what do you get?
Good! Thatz your answer
ok thank you :)
can you help me with one more?
Which of the following is a step in constructing a circle inscribed in a triangle?
Use a compass to locate the intersection of the midpoint of each side.
Use the perpendicular bisectors to find the center of the circle.
Use a compass to locate the intersection of the altitude of each side.
Use the angle bisectors to find the center of the circle.
I will try
is it the second one?
nopes. I dont think that.
I think its D, but I am not sure.
ok, i'll just google it to be sure lol
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