Mathematics, 15.04.2021 02:40 rigobertoherreea
Which equation correctly describes the relationship between the
measures of the angles and arcs formed by the intersecting
secants?
A
1
O mZ1 = }(mAB - MCD)
D
OmZ1 = MAB
B
m21
}(mAB +mCD)
OmZ1 = MAB+ mCD
4
5 6 7 8 9
10 11
Answers: 2
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Answers: 1
Mathematics, 21.06.2019 20:30
If m∠abc = 70°, what is m∠abd? justify your reasoning. using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°. using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°. using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality. using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.
Answers: 2
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Answers: 3
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