If two chords AB and CD of a circle AYDZBWCX intetsect at right angles (see fig.), prove that arc CXA+arc DZB = arc AYD + arc BWC= semicircle please be fast!!
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If two chords AB and CD of a circle AYDZBWCX intetsect at right angles (see fig.), prove that arc CXA+arc DZB = arc AYD + arc BWC= semicircle please be fast!!
I urgently need the answer
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