# NCERT Solutions for Class 6th Mathematics

## Chapter 4. Basic Geometrical Ideas

### Exercise 4.1

Exercise 4.1

**Q1. Use the figure to name:**

**(a) Five points**

**Solution:** The five point of this figure:- B, C, O, E, D

**(b) A line**

**Solution:** DB

** (c) Four rays**

**Solution: **OB, OC, OP, OD

**(d) Five line segments**

Q2. Name the line given in all possible (twelve) ways, choosing only two letters at a time from the four given.

**Q3. Use the figure to name :**

**Q4. How many lines can pass through**

(a) one given point?

**Solution:** Infinity lines can pass through one point.

(b) Two given points?

**Solution:** Only one lines can pass through one point.

**Q5. Draw a rough figure and label suitably in each of the following cases:.**

**(a) Point P lies on AB.**

**Solution:**