Hello!
To find the volume of a cone, use the formula: V = 1/3πr²h.
In the photo, the height is 6 units, and the diameter is 8 units. Since the radius is half the diameter, then the radius is 4 units.
V = 1/3π(4)²(6)
V = 1/3(6)(16)π
V = 2(16)π
V = 32π
V = 100.5309... This can be rounded to about 100.5.
Therefore, the volume of this cone, is about 100.5 units³.
Answer:
z= -1
Step-by-step explanation:
Answer:
67.5 units²
Step-by-step explanation:
We can break this problem down in two parts: The upper triangle and the lower trapezoid.
The upper triangle:
Use the formula to compute the area of the triangle. Base = 10 and Height = 7.
1/2 (10)(7)
1/2 (70)
=35 units².
The lower trapezoid:
Use the formula to compute the area of the trapezoid. Base 1 = 10, Base 2 = 3 and Height = 5.
1/2 (10 + 3)(5)
1/2 (13)(5)
1/2 (65)
=32.5 units²
So, add the two areas of each shape:
35 + 32.5 = 67.5 units².
y= (1, 4) times x + (15, 4)