The diameter of the base of a cylinder can is 4. the height of the can is 6.5 . find the cans surface area to the nearest tenth

22pi units^2 or 69 units^2

Step-by-step explanation:

For this you can't find the area of the circle and multiply by height, now you have to find the curcumpherence and multiply by height to get the side, and then add the area of the circle for the top, and then again for the bottom.

The equation for circumpherence is 2*pi*r (r is the radius)

Diameter is 2*radius, so the radius is 2.

2*pi*2=4pi

4*pi*height is 4*pi*6.5, or 14pi, now add the two surfaces using pi*r^2.

pi*2^2=4pi (two of those is 8pi)

The exact answer is 8pi+14pi, or 22pi units^2

pi is about 3.14, so rounded would be 69units^2

A. 184.8ft2

Step-by-step explanation:

The pyramid is made up of four sides that are rectangular, each side has a height of 12.4ft and base length of 6ft.

The base area is a square of 6ft by 6ft.

For the sides, area of a triangle is 1/2 x base x height

= 1/2 x 6 x 12.4 = 37.2m2

For the four triangles = 4 x 37.2 = 148.8m2

For the square base, area is 6 x 6 = 36m2

Total surface area = 148.8 + 36 = 184.8ft2

106.8 in2

Step-by-step explanation:

184.8 because

Step-by-step explanation:

if you do the surface area of pyramid math then your answer will come up to 189.093 and your first answer is closest to that by tenths so that will be your answer 184.8

367.2 cm²

Step-by-step explanation:

First, you need to find the area of the lateral surfaces, since each one is a 5cm by 6cm rectangle, all you need to do is multiply to find the area of one of them, and then multiply by 6 to find the area of all 6 sides.

lateral area = 5cm * 6cm * 6

lateral area = 30cm² * 6

lateral area = 180 cm²

Next, you need to find the total surface area by multiplying the area of the base by two and adding that to the lateral surface area.

SA = 180cm² + 2(93.6cm²)

SA = 180cm² + 187.2cm²

SA = 367.2cm²

The total surface area is 367.2 cm².

980.18cm^2

Step-by-step explanation:

D. 980.2 cm

Step-by-step explanation:

Surface area of cylinder = 2¶r2 + 2¶rl

r = radius

l = lenght

¶ = 3.142

S. A = (2X3.142X6^2) + (2X3.142X6X20)

= 226.224 + 754.08 = 980.3cm2

GGG the best way to go back to me know if you have any questions about the same time as well but I have a great day

Surface area

Volume of the cone

Step-by-step explanation:

Slant height of cone

Height of the cone will be derived from this slant height

Surface Area of Cone

Volume of the cone

Surface area =

Volume =

Step-by-step explanation:

To find the surface area of our cone, we are using the formula for the surface area of a cone:

where

is the surface area

is the radius

is the height

Notice that the height, radius, and slant height make a right triangle, so to find the height, , we can use the Pythagorean theorem:

cm

We have all we need now to find the surface area of our cone:

Now, to find the volume of our cone, we are using the formula for the volume of a cone:

where

is the volume

is the radius

is the height

Replacing values

We can conclude that the surface area of our cone is 261.6 square centimeters and its volume is 281.2 cubic centimeters.