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Finding all three side lengths and then using Heron's formula for area is described as:
ATedious
BQuick
CExact
DModern
Answer & Solution
Correct answer: A. Tedious
1. The side lengths may be irrational numbers.
2. Heron's formula then gets messy.
3. So the method is called tedious.
_Source: NCERT Class 10 Mathematics, Chapter 7, Coordinate Geometry._
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