##### Across

**5.**is a fundamental relation in Euclidean geometry**8.**type of number is not equal to zero**9.**whole valued positive or negative number**12.**is a polygon with three edges**13.**that moves every point**15.**involving one or more variables**17.**is a closed path that encompasses**18.**is geometry a coordinate system**20.**is a moving form eduence space

##### Down

**1.**numerical measure of a line inflations related**2.**the vertex from a quadrant’s answer**3.**to works an answer**4.**is the model of the common concept on a surface**6.**equation in which they are set equal to each other**7.**is a function from a metric space**10.**a concept in geometry in certain motion**11.**is a function**14.**expressing the amount of b de mention**16.**involves finding the probability or one even occurring**19.**the quantity that expreses of a region on the plane