Geometrymedium · Past Paper
Find the length of the intercept made by x^2 + y^2 = 25 on the x-axis.
A5
B10
C25
D0
✓ Correct Answer: B — 10
On x-axis, y=0. x^2 = 25 => x = +/- 5. Length = 5 - (-5) = 10.
Share this question
More from Geometry
- Two lines that intersect at 90 degrees are:
- What is the equation of the line passing through (2, 3) and (4, 7)?
- If the ratio of interior angle to exterior angle of a regular polygon is 5:1, find the number of sides.
- In a circle with center O, the measure of central angle AOB is 80 degrees. If the area of sector AOB is 16*pi, what is the radius?
- The internal bisector of an angle of a triangle divides the opposite side in the ratio of the sides containing the angle. This is: