Question

@johnweldon1993 @campbell_st

The diameter of a circle is 22 inches.

What is the radius of the circle?

A.
11 in.

B.
33 in.

C.
44 in.

D.
66 in.

Answer 1

@Hero

Answer 2

HELP please

Answer 3

well a radius is half the diameter... hope it helps

Answer 4

\(r = \dfrac{d}{2}\)

Answer 5

So 66pi

Answer 6

@campbell_st and @Hero described it perfectly. The radius is half of the diameter.

Answer 7

so divide 66 and 2

Answer 8

the diameter given in the question is 22 in

what is half of that measure...?

Answer 9

You said that the diameter is 22 inches, right? So the radius is 22/2.

Answer 10

that equal 22/2=11

Answer 11

Yup, which is answer A.

Answer 12

Yay what did i win LOL

Answer 13

XD
Hmm. A correct answer?

Answer 14

yep

Answer 15

can u guys help with more

Answer 16

Ehh I'm not very good at this kind of stuff. But yeah, sure, I'll try to help.

Answer 17

Great

Answer 18

A circular patio has a radius of 18 feet.

What is the longest distance across the patio?

A.
9 ft

B.
18 ft

C.
36 ft

D.
54 ft

Answer 19

18/2=9

Answer 20

So you basically reverse the other question. \[d = 2r\]

Answer 21

am i right?

Answer 22

So 2*18 = ?

Answer 23

You gotta multiply this one, not divide.