Use mental math to find the difference. 1254 - 320
2 answers:
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Answer:
m(arc ZWY) = 305°
Step-by-step explanation:
8). Formula for the angle formed outside the circle by the intersection of two tangents or two secants is,
Angle formed by two tangents =
=
=
= 40°
9). Following the same rule as above,
Angle formed between two tangents =
125 =
250 =
250 = m(arc ZWY) - 55
m(arc ZWY) = 305°
Therefore, measure of arc ZWY = 305° will be the answer.
10). m(arc BAC) =
=
=
= 74°