312-170=142
142÷2=71
170+71=241
241+71=312
train A weighs 241 tons
Answer:
What figure?
Step-by-step explanation:
I can help, just need figure :)
You can post it and ill edit this answer
It’s 80 km per hour if that’s what you’re looking for
There are 6 faces to the prism:
2 each of (Length x Width): 2(4 x 4) = 2(16) = 32 m²
2 each of (Length x Heighth): 2(4 x 8) = 2(32) = 64 m²
2 each of (Width x Heighth): 2(4 x 8) = 2(32) = 64 m²
The sum of the faces is the Surface Area (S.A.)
32 m² + 64 m² + 64 m² = S.A.
160 m² = S.A.