(from May 26, 2017)
"X marks the Spot"
Skydiving and Algebra....
(from May 17, 2017)
"Algebra Chain Letters"
Find the solution and more Algebra Chain Letters at the mathplane sites!
(from May 12, 2017)
"D'oh!"
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(from May 6, 2017)
"A Determin(ed)-Ant"
(from May 2, 2017)
"Trapezoids and a Triangle"
The 2 red trapezoids have the same areas.
Can you find the area of the gray triangle?
ANSWER