I don't really understand what this means, can you help me? If one or both of the triangles you find are online, they may come complete with the dimensions you need. If not, you can print out the triangle images and measure the side lengths with a ruler and the angles with a protractor. Obviously, these are not the actual dimensions, but the image is a similar triangle to the original, so these dimensions will work. If they don't come with some can i just make up some if i am not able to print it, won't it be the same thing?

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