3 years ago

Pls help i give u brainliest and 5 stars

Mathematics

2 answers:

Harrizon [31]3 years ago

7 0

Answer:

1932.4816

Step-by-step explanation:

The formula for SA of a cube is 4πr² so half is 2πr² and sing the radius is 7 the answer is 1932.4816 cm²

Umnica [9.8K]3 years ago

3 0

Answer:

Step-by-step explanation:

Diameter = 14 cm

r = 14/2 = 7 cm

Outer surface area of hemisphere =2πr²

= 2π*7*7

= 98π cm²

You might be interested in

A. Billy should choose 1/3 of 3/4; he’ll earn 1/15 more.

vazorg [7]

Answer:ANS.B

Step-by-step explanation:1/3*3/4=3/12=.25 THE BETTER DEAL

3/12-2/10=30/120-24/120=6/120=1/20 ANS.B

5 0

4 years ago

Each year, the Department of Water Works measures the chloride concentration level in the water. The first year, they found the

Ulleksa [173]

<span>-3 2/3 total change occurrence.</span>

5 0

4 years ago

Read 2 more answers

Someone helpp commonn

vitfil [10]

Answer:

Step-by-step explanation:

⁷

3 0

3 years ago

An air plane moves at a constant speed of 120 miles per hour for 3 hours. How far does it go?

Anvisha [2.4K]

Answer: 360

Step-by-step explanation: All you got to do is multiply 120 by 3

7 0

3 years ago

Read 2 more answers

I need help with this question

zepelin [54]

Answer:

205.62

Step-by-step explanation:

7 0

3 years ago

Pls help i give u brainliest and 5 stars ​

Pls help i give u brainliest and 5 stars