Answer:
70°
Step-by-step explanation:
A+B+C=180°
70°+40°+C=180°
C=180°-110°
C=70°
Answer: 15.9
Step-by-step explanation:
So it would be 12 minutes and $5 per 12 minutes.
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
Answer:
39ft²
Step-by-step explanation:
Divide up the Shape
Big rectangle:
a=lw
11*3=33ft
Small rectangle
2*3=6ft
Whole shape:
33+6=39ft²
