Write the sentence as an inequality. A number n is less than 6 or equal to than -7 or greater than 12

N < 6 or   N -7 or N > 12

Hope this helps. lmk.

it has to have an angle of 90 degrees

true

step-by-step explanation:

intersecting chords are just lines that intersect. so a line is equal to 180 degrees, so when it is intersected by another chord, then it create supplementary angles, and because the lines cross, vertical angels are also formed.