und side of the Mangle. The symbo"LA" is ched to Parts of a Right Triangle Hypotenuse SABC is a right wongle with 28 as th Opposite side Reference Angle angle ange the hypotem opposite side and Cost reference is X2 X3 is the the adjacent Adjacent ance Angle - the ocule ongle between the terminal side and the x-axis it is ofways posive it a indicated by the symbut the spee onge C rence on te the next to angle. It's the adjacent side of ARC the jorged ades to the 10 angle in a right wange an AABC the hypotenuse is​