9 Plot the points ( 0,-3) , ( 3,1) and ( 6,-3 ).what type of triangle is Formed by joining them in pairs.
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Given : Plot the points ( 0,-3) , ( 3,1) and ( 6,-3 ).
To Find : what type of triangle is Formed by joining them in pairs.
Solution:
A = ( 0 , -3)
B = ( 3 ,1 )
C = ( 6 , - 3)
Length of AB = √(3 - 0)² + (1 - (-3))² = √3² + 4²
= √9 + 16
= √25
= 5
Length of AC = √(6 - 0)² + (-3- (-3))² = √6² + 0²
= √6²
=6
Length of BC = √(6 - 3)² + (-3- 1)² = √3² + (-4)²
= √9 + 16
= √25
= 5
AB = BC = 5
AC = 6
Isosceles triangle is formed
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