Class 10 Maths · Coordinate Geometry · NCERT Exercise 7.4 · Question 4

Coordinate Geometry Hard

If the points A

(1, - 2)

, B

(2, 3)

, C

(a, 2)

and D

(- 4, - 3)

form a parallelogram, find the value of

a

and the height of the parallelogram taking AB as base.

Answer

a = - 3

and the height on base AB is

\frac{24}{26} = \frac{12 26}{13} \approx 4.71

units.

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