I need help with these asap, its very important and if you can help thatd be really great

CandleGrant  Feb 20, 2018

First one


Note that the diameter forms the hypotenuse of a right triangle

So   x   is just complementary to the 71° angle =   90  - 71   =   19°

Do you see this???


Second one


Arc GEC  and  Arc GFC  sum to  360°


230  + arc GFC  =  360     subtract   230 from both sides

arc GFC  = 130°

And  since angle GDC is a central angle intercepting this arc, it has the same measure  = 130°

You are correct  !!!


Last one


WC  and MQ are equal chords....and equal chords in a circle intersect equal arcs




arc CW  is congruent to arc  MQ       the  second answer is correct



cool cool cool   

CPhill  Feb 20, 2018
edited by CPhill  Feb 20, 2018

Thank you so much!!

CandleGrant  Feb 20, 2018

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