LoveOhghost LoveOhghost

20-12-2017
Mathematics

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Help please.....

What degree is angle BDA?
What degree is angle BCA?

Help please What degree is angle BDA What degree is angle BCA class=

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choixongdong choixongdong

20-12-2017

<BOA = 360 -250 = 110
<BDA = 110/2 = 55

<BCA = 360 - (90+90+110)
<BCA = 360 - 290
<BCA = 70

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