Q: What quadrilaterals can you make on a 3x3 pinboard?

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4 sided shapes

They make four triangles, not a triangle.

The square and the parralalagram.

a big quadrilateral

25-(3x3)-8

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16

There are 16 non-congruent quadrilaterals on a 3x3 geoboard.

There are 14

There are 36 unique quadrilaterals in a 3x3 square grid: 14 squares = 9 (1x1) 4 (2x2) 1 (3x3) 22 rectangles = 6 (1x2) 6 (2x1) 6 (3x3) 2 (2x3) 2 (3x2) (the total number of quadrilaterals formed by 3 x 3 pin sets will be larger, i.e. 78)

you can make 76 different triangles on a 3x3 grid

There are a couple of things that might be happening when you try to go on your pinboard: 1) You may have made an inappropriate post to a pinboard, so Moshi Monsters has blocked your pinboard. Or someone may have complained about a post you made so your pinboard is blocked until Moshi Monsters can check in to the complaint. 2) Someone else may have made an inappropriate post to your pinboard and your pinboard has been blocked until the matter can be taken care of. 3) Something on your computer might be causing a glitch. Make sure your browser and other programs such as Flash Player are up to date and that you have emptied your cache/cookies/browser history. 4) Moshi Monsters may be making updates or changes to the pinboards and have blocked the pinboards until the updates or changes have been completed.

4 sided shapes

You can send messages to other monster owners through the pinboard, but only if you're their friend. If you have a friend who you would like to message then go to their room, click on their pinboard, click the new message button and get writing! You can choose a colour and style for your note to make it more personal.

y

They make four triangles, not a triangle.

The square and the parralalagram.

Yes the 4 sides make it a quadrilateral