CBSE Class 10-Mathematics: Chapter – 7 Coordinate Geometry Part 17 (For CBSE, ICSE, IAS, NET, NRA 2022)

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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

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: