##### Across

**2.**a closed shape made up of straight lines**5.**the outline to a circle**7.**Base x Width x Height**8.**Length x Width**10.**8 sided shape**11.**Area, the sum of all the areas of the individual shapes on the 3D object**13.**a line that extends to the infinity in one direction**14.**segment, a line that has 2 distinct end points**16.**The length of a straight line going through the circle**18.**all sides on the triangle are equal in length**19.**The length of a straight line going halfway through the circle

##### Down

**1.**length on a triangle**3.**an angle more than 90 degrees**4.**made by 2 rays**5.**an angle equal to 90 degrees**6.**5 sided shape**7.**a point on a shape**9.**all 3 sides of the triangle are different lengths**11.**2 sides are equal while one of them is a**12.**the outline of an object**15.**a polyhedron that has a polygon base**17.**an angle less than 90 degrees