5 points................and 6 points.............different ways to combine a square and a triangle............6.5 and 65.........................2 - 11.............sum to 65.............6.5 is dead center.......

A pentagon formed from a square and a triangle - Math Central

mathcentral.uregina.ca/QQ/database/QQ.02.06/mary3.html

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From Mary, a secondary school student. There is an (irregular) pentagon and it's made up of a square and a triangle. The triangle is directly on top of the square. The triangle is a right triangle. One of the angles is 45 degrees. one of the sides of the triangle is 4. what is the perimeter of the pentagon?

geometry - A geometric assembly: Triangle, circle, square ...

https://math.stackexchange.com/.../a-geometric-assembly-triangle-circle-square-pentag...

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Apr 13, 2017 - Let say we have an equilateral triangle and I draw its circumscribed circle, to continue we draw a square in which the previous circle is inscribed. After that we draw the circle circumscribed to the square and to continue the process we plot a regular pentagon in which the previous circle is inscribed and plot its circumscribed ...