Find X (Geometry of Circles) Diagram below.

Question

anonymous · Answer

attachment

anonymous · Answer

@swissgirl This is the last question for this worksheet, mind helping me? If you do please don't give me the answer, I need to learn how to do this >.<

anonymous · Answer

Like where do I start? Or do I just combine the equations somehow?

swissgirl · Answer

okay from circumscribed angle theorem these 2 angels must be equal

swissgirl · Answer

do you know why

swissgirl · Answer

other than that its just like how you did the others these 2 angles are equal so equate those 2 equations and solve for x

swissgirl · Answer

would you like to know why these angles are equal its kinda cool

anonymous · Answer

Sure

swissgirl · Answer

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swissgirl · Answer

to see why lets just see this first, suppose i drew an angle from the center and the circumference like this

swissgirl · Answer

the angle at the center is always 2 times greater than the angle from the circumference if we prove this then we know all the angles at the circumference are half the angle at the center

swissgirl · Answer

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