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Mathematics 20 Online
OpenStudy (anonymous):

Kite DCFE is inscribed in circle A shown below.

OpenStudy (anonymous):

OpenStudy (anonymous):

If the measure of arc DEF is 232°, what is the measure of ∡DEF?

OpenStudy (anonymous):

@campbell_st

OpenStudy (campbell_st):

you need to join DA and FA then reflex angle DAF = 232 and angle DAF = 128 then angle DEF = 64 degrees as the angle at circumference is half the angle at the centre standing on the arc DCF

OpenStudy (anonymous):

so the answer is 64 degrees or do you need to half that?

OpenStudy (anonymous):

okay nvm. It's 64

OpenStudy (anonymous):

right?

OpenStudy (campbell_st):

correct

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