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CBSE Class 10 - Mathematics: Chapter β 7 Coordinate Geometry Part 19
Question 5:
Find the coordinates of the circum-center of a triangle whose vertices are , . Also find its circum-radius.
Answer:
Let P be the circum-center of , then
On solving equations (i) and (ii) ,
Circum-radius
Question 6:
If two vertices of an equilateral triangle are Find the third vertex.
Answer:
Put the value of y in eq. (i) ,
When
Question 7:
If P and Q are two points whose coordinates are respectively and S is the point show that is independent of .
Answer:
Hence Proved