Which sentence demonstrates the multiplicative identity?

1/2+0=1/2
1/2•2=1
1/2•1=1/2

last option

step-by-step explanation:

given that δdef is right and isoceles,

assuming that side df is the hypotenuse means that de an ef are the other 2 sides that intersect at 90° and are of equal length.

because they are of equal length, we can say that they are congruent

because they intersect at 90°, their slopes must be opposite reciprocals.

only the last option satisfies these conditions.

m a t h w a y. c o m

step-by-step explanation:

i just took the test, the correct answer is .. 31.5 in.

its c or d   take a lucky guess my dude