Question

help please :)

Answer 1

a circle with radius x is shown below. The diagram is not drawn to scale

what is the value of x?

Answer 2

@jim_thompson5910

Answer 3

all radii are the same so we can draw this in

Answer 4

the 28 gets cut in half since the radius is perpendicular to the chord

28/2 = 14

Answer 5

pull out just the triangle

Answer 6

do you know what to do next?

Answer 7

i cant seem to remember what to do next

Answer 8

have you learned the pythagorean theorem?

Answer 9

a^2+b^2=c^2

Answer 10

yes, what are 'a' and 'b' equal to in this case?

Answer 11

8^2+x^2=28^2 am i right

Answer 12

look at this triangle

Answer 13

'a' and 'b' are the legs
'c' is always the longest side (longest side always opposite the 90 degree angle)

Answer 14

oh so 8^2+14^2=x^2

Answer 15

yep

Answer 16

what is x equal to?

Answer 17

64+196=x^2

Answer 18

keep going

Answer 19

wait what do i do next again

Answer 20

what is 64+196 equal to?

Answer 21

260

Answer 22

so x^2 = 260

how do we isolate x? what is the opposite of squaring a number?

Answer 23

finding the square root?

Answer 24

yes, take the square root of both sides

Answer 25

so square foot of 260

Answer 26

which is equal to what?

Answer 27

16.1

Answer 28

16.124515496597 which rounds to 16.1

yes

Answer 29

so 16.1 is the answer

Answer 30

thank you so so much :)

Answer 31

yes approximately

Answer 32

i have 2 more questions if you dont mind helping :)

Answer 33

@jim_thompson5910