"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