CBSE Class 10-Mathematics: Chapter –7 Coordinate Geometry Part 10
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Question 23:
Find the area of a rhombus if its vertices are and taken in order.
Answer:
Let A ,
Using Distance Formula to find length of diagonal AC, we get
Using Distance Formula to find length of diagonal BD, we get
Question 24:
Find the area of the triangle whose vertices are:
(i)
(ii)
Answer:
(i)
Area of Triangle
sq. units
(ii) Area of Triangle
3 Mark Questions
Question 1:
If are the vertices of a isosceles triangle, show that if
Answer:
Question 2:
Find the value of P if the point is equidistant from
Answer:
Let
(Given)