exam
Maths Puzzle
Numerical Ability
given an arbitrary triangle,what can you say about the sum of 3 exterior angles, 1 for each vertex of the triangle??
thnx again
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exam Other Question
simplify (2x + y)(x2 - 3xy + 2y2) and (3x + 2)(4x - 5)
then add.
4(2-x)=3(x-3)