From Pythagoras:

AE^2 + DE^2 = r^2

r^2 = (x+4)^2 ..............................(1)

r^2 = (12-x)^2+36

therefore

(x+4)^2 = (12-x)^2+36

simplify and calculate

x= 5

therefore

r = sqrt(9^2 + 4) (from (1))

= sqrt(85)

Cool solution huh?

I stole most of this from the web.

From Pythagoras:

AE^2 + DE^2 = r^2

r^2 = (x+4)^2 ..............................(1)

r^2 = (12-x)^2+36

therefore

(x+4)^2 = (12-x)^2+36

simplify and calculate

x= 5

therefore

r = sqrt(9^2 + 4) (from (1))

= sqrt(85)

Cool solution huh?

Some interesting answers to an interesting question.

*"which came first, the chicken or (just any old) egg? This question is answered “the egg” because species that lay eggs have been around a lot longer than modern chickens. For example, we have plenty of fossil evidence that dinosaurs laid eggs from which* … Read more

Some interesting answers to an interesting question.

*"which came first, the chicken or (just any old) egg? This question is answered “the egg” because species that lay eggs have been around a lot longer than modern chickens. For example, we have plenty of fossil evidence that dinosaurs laid eggs from which* … Read more

Jaylah Berry

Hi !! {Check out wiccan shops online The name is JAIMEE. I am working as Sheriff. One day i would want to do Paper Dioramas. My papa name is Ryan and he is a Gladiator. My momy is a Editor.