2 years ago

Work out the surface area of this cylinder. Radius-7 cm Height-12 cm

Mathematics

2 answers:

ELEN [110]2 years ago

5 0

Answer:

The surface area of this cylinder. is 266π cm²

Step-by-step explanation:

Surface Area of Cylinder (SA) = 2πrh+2πr²

since r = 7cm & h = 12 cm

Then SA = 2 π (7)(12) + 2π(7²)

SA = 168π + 98π

∴ SA = 266π cm²

RideAnS [48]2 years ago

4 0

Answer:

226pi

Step-by-step explanation:

2 * pi * 7 *(7+12)

You might be interested in

Solve and express to the lowest term 3 1/2 x 2 1/3 = ?

Rina8888 [55]

Answer:

8 $\frac{1}{6}$

Step-by-step explanation:

3 $\frac{1}{2}$ × 2 $\frac{1}{3}$ ( change to improper fractions )

= $\frac{7}{2}$ × $\frac{7}{3}$ ( multiply numerators and denominators )

= $\frac{7(7)}{2(3)}$

= $\frac{49}{6}$

= 8 $\frac{1}{6}$

4 0

2 years ago

Read 2 more answers

A man is cleaning the roof of his house. He figures that his 15ft ladder will be stable if it leans on the house at a 55 angle h

Romashka-Z-Leto [24]

Answer:

the answer i think is 3.6

4 0

3 years ago

8×9=(5+3)×9 just need help with the answer

Svetllana [295]

Answer:

It is true.

Step-by-step explanation:

8 multiplied by 9 is 72. 5+3 is 8, which is multiplied by 9, giving the same answer on both ends.

3 0

3 years ago

ASAP PLZZZ

kari74 [83]

Is there a photo? I know the last option is true but I feel like there should be a photo with this

6 0

3 years ago

Read 2 more answers

Simplify the expression 16÷2+8×3=

VladimirAG [237]

I would say 32, just from doing PEMDAS.

3 0

2 years ago

Read 2 more answers