Geometryeasy · Past Paper
What is the center and radius of x^2 + y^2 = 1?
A(0,0), 1
B(1,1), 1
C(0,0), 0
D(1,0), 1
✓ Correct Answer: A — (0,0), 1
This is the unit circle centered at the origin with radius 1.
Share this question
More from Geometry
- If a chord is 16 cm long and the radius of the circle is 10 cm, how far is the chord from the center?
- The point of intersection of the altitudes of a triangle is called:
- Two chords AB and CD of a circle intersect at E. If AE = 4 cm, EB = 6 cm, and CE = 3 cm, find the length of ED.
- If a chord AB of a circle subtends 60 degrees at the center, then the triangle OAB is:
- The angle in a major segment is always: