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secondary 2 | Maths
2 Answers Below
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please help check my answer
Date Posted: 9 months ago
Views: 163
½|4 -2 -4 -3 3 4|
□|5 6 3 -2 -1 5|
= ½[ (4×6 + (-2)×3 + (-4)×(-2) + (-3)×(-1) + (3×5)) - ( 5×(-2) + 6×(-4) + 3×(-3) + (-2)×3 + (-1)×4) ]
= ½[ (24 - 6 + 8 + 3 + 15) - (-10 - 24 - 9 - 6 - 4)]
= ½[44 + 53]
= ½(97)
= 48.5
□|5 6 3 -2 -1 5|
= ½[ (4×6 + (-2)×3 + (-4)×(-2) + (-3)×(-1) + (3×5)) - ( 5×(-2) + 6×(-4) + 3×(-3) + (-2)×3 + (-1)×4) ]
= ½[ (24 - 6 + 8 + 3 + 15) - (-10 - 24 - 9 - 6 - 4)]
= ½[44 + 53]
= ½(97)
= 48.5
See 2 Answers
The points are not arranged in anticlockwise order
Correct eh
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