solaric solaric

25-04-2020
Mathematics

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PLease help! this is geometry circles stuff

PLease help this is geometry circles stuff class=

Respuesta :

PhillSwift PhillSwift

25-04-2020

Answer:

15 degreese

Step-by-step explanation:

Given AOB 30 - has to make angle DOB 150 cause that be 180 since DA is the diameter

Also they say DE is the same as EK - 30

now EKA is 180 but you got to subtract that EK 30 = 150

to find C you do 1/2 ( ABD - KA )

1/2 (180 - 150)

is 15

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