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Mathematics 12 Online
OpenStudy (anonymous):

What does a dashed line with a box on the bottom right of it mean when its in the middle of a triangle? it's height is 1.4m and its base is 2.1m....trying to figure it out...

myininaya (myininaya):

people you a dashed square in a corner of a triangle to symbolize a 90 degree angle

OpenStudy (anonymous):

That is the height of the triangle so you can find the area, perimeter, etc. It splits the triangle into two right triangles.

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