I believe the answer is: 64
Answer:
A.
Step-by-step explanation:
Volume of cone = 1/3πr²h
= (1/3)(3.14)(1.5)²(5)
= (1/3)(3.14)(2.25)(5)
= (1/3)(35.3)
= 11.78
≈ 11.8 cubic inches
Answer:
The average semi truck can weight up to 80,000 pounds.
Step-by-step explanation:
(self-explanatory)
Area of the triangle,
A = bh / 2 = (10 mm)(9 mm) / 2 = 45 mm²
Since there are 2 triangles, their total area is 90 mm².
Then, the area of the sides are,
3A = (3)(10 mm)(18 mm) = 540 mm²
The total area is equal to 585 mm².