##### Across

**4.**numbers:numbers when expressed in dot forms make an equilateral triangle.**5.**numbers:these numbers can be written as fraction or ratio.**6.**pair:it is a pair of adjacent supplementary angles.**7.**angles:two corresponding angles whose sum is 180.**12.**numbers:two numbers with the difference of 1.**13.**line crossing another line at a right angle is said to be_____to it.**16.**number raised to the power 3.**17.**angles:the angles on the opposite corner when two lines are crossed by another line.**18.**factors:a factor that is prime number.**19.**segment:it is a part of line bounded by two distinct end points.

##### Down

**1.**numbers:these are formed by multiplying a digit to itself 3 times.**2.**numbers:numbers that do not consist of 0 or negative numbers.**3.**lines:line on a plane that cross 2 or more lines.**8.**value of something.**9.**four sided polygon with four angles.**10.**number raised to the power 2.**11.**angles:the angles in matching corners when two lines are crossed by another line.**14.**roots:it is a value that when multiplied by itself gives the number.**15.**lines:lines on a plane that do not meet at any point.**16.**roots:it is a value when multiplied by itself 3 times gives the number.