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Maths CBSE Live product
Class 7 (2026-27)
A tale of three intersecting lines
Triangle Inequality
4.
TBQ - Does the triangle exist?
Question:
2
m.
Investigate the relationship between the triangle inequality and the existence of a triangle.
Answer:
A triangle is formed only when
two circles do not intersect each other
two circles intersect each other internally
two circles touch each other
.
When the given lengths
do not satisfy
satisfy
the triangle inequality, the circles
do not intersect
intersect internally
, and a triangle
do not exists
will definitely exist
.
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