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24 sats
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2 replies
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@Scroogey
9 Nov
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on: Are you smarter than a 12-year-old? Area
science
This is simpler than it looks.
The area of each triangle is
\frac{15*20}{2} = 150
.
The unshaded part is simply the difference between
\frac{2*150-230}{2} = 35
.
It's divided by two because the unshaded area is missing in
both
triangles.
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@cryotosensei
OP
9 Nov
Well done!
The trick is to notice the word
identical
. Students who fail to take note of it will find this impossible to solve.
Is your child brilliant at Math?
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@Scroogey
9 Nov
deleted by author
\frac{15*20}{2} = 150.\frac{2*150-230}{2} = 35.