Home › CBSE Class 11 (Commerce) › Mathematics › Introduction to Three-dimensional Geometry › For A(0,7,-10), B(1,6,-6), C(4,9,-6), the equal …
For A(0,7,-10), B(1,6,-6), C(4,9,-6), the equal sides of the isosceles triangle have length
A3 root 2
B6 units
C2 root 3
D4 root 2
Answer & Solution
Correct answer: A. 3 root 2
AB squared is 1 + 1 + 16 = 18 and BC squared is 9 + 9 + 0 = 18, so AB = BC = 3 root 2.
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