Change each algebraic expression to a verbal expression. 1. A+B = 10 2. 4x - y = a
1 answer:
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Answer:
m(arc AC) = 72°
m(arc BD) = 108°
m∠DEB = 90°
Step-by-step explanation:
Ratio of the measure of arc AC, arc BC, arc BD and arc AD = 4 : 2 : 6 : 8
Since, m(arc AC) + m(arc CB) + m(arc BD) + m(arc AD) = 360°
By the property of ratio,
Measure of arc AC =
=
= 72°
Measure of arc BD =
=
= 108°
Measure of ∠DEB =
=
= 90°