Geometryhard · Past Paper
A square of side 8 cm is inscribed in a circle. Find the area of the circle.
A16*pi
B32*pi
C64*pi
D128*pi
✓ Correct Answer: B — 32*pi
The diagonal of the square is 8*sqrt(2), which is the diameter. r = 4*sqrt(2). Area = pi * (4*sqrt(2))^2 = 32*pi.
Share this question
More from Geometry
- How many tangents can be drawn to a circle from a single point outside the circle?
- What is the equation of the locus of a point which is always 5 units away from (0, 0)?
- A triangle has angles measuring 30, 60, and 90 degrees. What type of triangle is it?
- What is the measure of a complete angle around a point?
- The region bounded by a chord and an arc is called a: