A et b deux nombre rationnels . comparer a et b dans les cas suivants :
a-b=5/2
a-b=-7/4
b-a=-2
b-a=3/2
a-b=0​

your answer is the frist one

hop i

6 equilateral triangles

add 8+12 to get a simplified answer of 12r-20

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.