-
A. r1 × r2 = C1C2
-
B. r1 - r2 = C1C2
-
C. None of these
-
D. r1 + r2 = C1C2
Explanation
When two circles touch each other externally, they have a single point of contact.
The distance between their centers (C1C2) is equal to the sum of their radii (r1 + r2).
-
A. 0
-
B. Infinite
-
C. 2
-
D. 1
Explanation
A circle can have an infinite number of tangents.
Because a tangent can be drawn at any point on the circumference of the circle, each touching it at exactly one point.
-
A. 1 point
-
B. Infinite points
-
C. 2 points
-
D. 0 point
Explanation
A tangent line intersects a circle at 1 point.
This is because a tangent touches the circle at exactly one point without crossing it.
✅ Correct: 0 |
❌ Wrong: 0 |
📊 Total Attempted: 0
iamge
