All categories

3 years ago

How to find the radius of a circle when only the area is known?

Mathematics

2 answers:

Arturiano [62]3 years ago

6 0

Answer:

Divide the area by pi. Then, square root the answer.

Step-by-step explanation:

Area of a cirlce= pi r^2

tester [92]3 years ago

6 0

Answer:

You have to divide by pi (3.14) APROXIMATELY and then divide what you get by the square root.

You might be interested in

Crystal randomly selects a card from the list and

MariettaO [177]

Sorry, don’t know the answer

3 0

3 years ago

Answer this please! extra points and brainliest will b given

zaharov [31]

Answer:

add 7 to 9 times k : 7+9k

c cubed minus the product of 5 and q plus 4 : $c^{3} - 5q + 4$

twice r plus 7 is equal to 45 minus r : 2r+7=45-r

Product of h and 4 is subtracted from one-fifth of x is 35 :(h*4) - 1/5*x

one third of the difference bewteen 6 and p is added to 8 : (6-p)+8

7 0

3 years ago

PLEASE HELP ASSP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Serga [27]

Answer:

E that's the answer if reflected it'd look like a mirror image

8 0

2 years ago

Read 2 more answers

2. Given that the radius of the Earth is 6340 Km. calculate the Surface Acer of earth <br>

serious [3.7K]

Answer:

Step-by-step explanation:

The surface area of a sphere (which the earth is considered to be) = 4 pi r^2

pi = 3.14

r = 6340

Area = 4 * 3.14 * 6340 * 6340 = 504856736 square km.

You should either round this to 505,000,000 or express a value in scientific notation.

5.05 * 10^8

6 0

3 years ago

The scientific notation 2 x 10-2 has what value?

Vesnalui [34]

Since the exponent is negative, you move the decimal (2.0) to the left two spots leaving you with .02

7 0

3 years ago

Read 2 more answers