3 years ago

Plllllllllzzzzzzzzzzzzzzzzz helpppp meeeeeeeeeeeeeeeeeee

Mathematics

1 answer:

DochEvi [55]3 years ago

5 0

Step-by-step explanation:

radius(CE)=diameter/2=9

EF=8inch

DE=8/2=4inch

pythagorean theorem:

im right triangle,

a^2+b^2=c^2

4^2+b^2=9^2

16+b^2=81

b^2=81-16

b^2=65

b=√65

√65≈8.06

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