janett77
What is the sum of the measures of the opposite arcs intercepted by two chords that meet inside a circle if the chords form an angle whose measure is a + b?
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estudier
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janett77
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a
b
a + b/2
2(a + b)
these are the answer choices i have
estudier
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I don't understand the question yet.....:-(
janett77
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me either
estudier
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a+b = sum of arcs/2
So sum of arcs = 2(a+b)
janett77
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oh so the answer is 2(a+b)
estudier
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Yes, it is special case of power of a point theorem.
janett77
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ok then thank you:)
estudier
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yw