Question
Two lines are said to be ________ if they intersect at right angles.
✓
Answer
- Perpendicular.
Solution:
A line is perpendicular to another if it meets or crosses it at right angles (90º).
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
If $(2^3)^2 = 4^x,$ then $3^x =$
→Write the correct answer in the following: On plotting the points $O(0, 0), A(3, 0), B(3, 4), C(0, 4)$ and joining $OA, AB, BC$ and $CO$ which of the following figure is obtained?
→The value of $\Big\{8^{-\frac{4}{3}}\div2^{-2}\Big\}^{\frac{1}{2}}$ is:
→- $\frac{1}{2}$
- $2$
- $\frac{1}{4}$
- $4$
The number of line segments determined by three given non-collinear points is:
In the given figure$, CD$ is the diameter of a circle with centre $O$ and $CD$ is perpendicular to chord $AB.$ If $AB = 12\ cm$ and $CE = 3\ cm,$ then radius of the circles is:
→The simplest rationalisation factor of $(2\sqrt{2}-\sqrt{3})$ is:
→In the given figure, O is the centre of a circle. If $\angle\text{AOB}=100^\circ$ and $\angle\text{AOC}=90^\circ$ then $\angle\text{BAC}=?$
→- 85°
- 80°
- 95°
- 75°
In the given figure, O is the centre of the circle and $\angle\text{BDC} = 42^\circ.$ The measure of $\angle\text{ACB}$ is:
→
- 42°
- 48°
- 58°
- 52°
If the height and radius of a cone of volume V are doubled, then the volume of the cone, is:
If the diameter of a cylinder is $28\ cm$ and its height is $20\ cm$ then its curved surface area is:
→