# CBSE Class 10-Mathematics: Chapter – 7 Coordinate Geometry Part 17 (For CBSE, ICSE, IAS, NET, NRA 2023)

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**Question 23**:

The vertices of a are and . A line is drawn to intersect sides AB and AC at D and E respectively such that Calculate the area of the and compare it with the area of

**Answer**:

Since

Now, area

sq. units … (ii)

From eq. (i) and (ii) ,

Area

Area

## 4 Mark Questions

**Question 1**:

If the points is equidistant from the points , prove that .

**Answer**:

Let

**Question 2**:

are three noncyclic points whose center is , Find the possible value of .

**Answer**: