Geometryhard · Past Paper
If a circle is circumscribed about a right-angled triangle with legs 6 cm and 8 cm, find its radius.
A5 cm
B10 cm
C7 cm
D14 cm
✓ Correct Answer: A — 5 cm
The hypotenuse of the right triangle (10 cm) is the diameter of the circumcircle. Radius = 10/2 = 5 cm.
Share this question
More from Geometry
- A tangent to a circle is _____ to the radius through the point of contact.
- If the distance of a point from the center of a circle is less than the radius, where does the point lie?
- Two circles touch internally. Their radii are 10 cm and 4 cm. What is the distance between their centers?
- A ray has how many endpoints?
- For the lines a1x + b1y + c1 = 0 and a2x + b2y + c2 = 0 to be parallel, the condition is: