2(a) show that the chromatic number of the petersen graph is exactly 3 (b) find the chromatic number of the k-cube qk for any k, and of k, n-e where n 3 and e is any edge

sss (side, side, side)

sas (side, angle, side)

asa (angle, side, angle)

aas (angle, angle, side)

hl (hypotenuse, leg)

that is the sum

step-by-step explanation:

there are no other answers without knowing the variables values

,xzgv

step-by-step explanation:

; oqirjg'

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: