Question

Help!
Find x
Pic below

Answer 1

use theorem #3 in the page below

http://www.regentsprep.org/Regents/math/geometry/GP14/CircleSegments.htm

Answer 2

so that means you would get

x*(3x+x) = 10^2

Answer 3

so then it would be 3x^2+x^2=10^2

Answer 4

which turns into

4x^2 = 100

Answer 5

4x^2 = 100

x^2 = 100/4

x^2 = 25

x = ???

Answer 6

make sure x is positive (because a negative length doesn't make any sense)

Answer 7

x=5

Answer 8

yep

Answer 9

Thank You

Answer 10

yw