Answer:
348mm
Step-by-step explanation:
20+20+110+110+44+44 = 348
fvusbcygavgxbxyhdvc to u
The answer is 7x= 21
divide both sides by 7
to get 3
therefore the answer is X =3
Area of triangular prism =1/2 ×base×height
550=1/2×22×h
h=550/11
h=50m
hope it helps.