All categories

3 years ago

A 50 centimeter piece of wire is bent into a circle. What is the area of this circle?

Mathematics

1 answer:

Korvikt [17]3 years ago

6 0

Answer:

198.95 cm²

Step-by-step explanation:

Circumference = 50cm

C = πD

D = C/π

r = D/2

r = 50/π/2

r= 7.957747…..cm

Area = π r²

A = π x 7.957747….²

A = 198.95 cm² (2dp)

You might be interested in

Which expression is equivalent to

Nutka1998 [239]

Answer:1/5

if u do the work in ur head by adding and divide then multiplying the fractions and then divided it by 2.231 u get 1/5 on a calculator

8 0

2 years ago

PLEASE NEED HELP

expeople1 [14]

Answer:

D) 96%

Step-by-step explanation:

If you take 96% of 28.6 you get 27.6 so it fits

4 0

2 years ago

Please help!! I'm super confused :(

Kobotan [32]

Answer:

90 lb/1 x 0.45 = 40.5

Step-by-step explanation:

To convert pounds to kilograms you would have to multiply the pounds by 0.45. So you have to multiply 90 by 0.45.

5 0

3 years ago

Easy points. see image below

tatuchka [14]

Answer:

Given expression:

$\sf -(-(-3)) + 2 + |-7|$

Simplify following inside parenthesis

$\sf -3 + 2 + |-7|$

If following is |-a| then |-a| = a

$\sf -3 + 2 + 7$

Evaluate following

$\sf 6$

4 0

1 year ago

What is the approximate value of t?

Maslowich

Answer:

8.48

Step-by-step explanation:

36 + 36 = 72

t^2 = 72

t = 6 $\sqrt{2}$ = 8.48

5 0

2 years ago

Read 2 more answers