Answer:
400cm²
Step-by-step explanation:
Total surface area of a prism includes the area of the top and bottom triangle sides of the prism, plus the area of all 3 rectangular sides.
Base & Bottom triangle area: 2 x [(8 x 15)/2] = 120cm²
Side triangle area: 17 x 7 + 8 x 7 + 15 x 7 = 280cm²
Total surface area = 280 + 120 = 400cm²
Step-by-step explanation:
C = -11
A = -13
V = 9
E = -9
If you are adding them: -24
Hope this helps!
Answer:
C
Step-by-step explanation:
263x = words per day
add on 1,037 because she already wrote them
263x + 1,037 > 2,878