The area, a, of a triangle is one-half the product of the triangle's base and height.
a=1/2(b+h)
a=1/2(12)(5)
a=1/2(b*h)
a=(x+y)/2
a=x^2/2

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4