CBSE Class 10 Answered
Find the length of the triangle ABC (0,9),(-6,-5)and(8,1)
Asked by | 28 May, 2009, 04:15: PM
Expert Answer
Let us say we want to find the perimeter of triangle ABC. Clearly first we need to find out the sides of the triangle which can be found as:
AB=((0+6)2+(9+5)2)0.5 =(232)0.5
BC=((8+6)2+(-1-5)2)0.5 =(232)0.5
CA=((8-0)2+(1-9)2)0.5 =(128)0.5
Now perimeter of triangle =AB+BC+CA =2((232)0.5 +(128)0.5
Answered by | 29 May, 2009, 10:05: PM
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