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2 years ago

Can someone please help me solve for x and then find the measurments of ∠B asap!

Mathematics

2 answers:

iVinArrow [24]2 years ago

8 0

Hope this will help

Tanya [424]2 years ago

7 0

Angle-A and angle-B are alternate interior angles with parallel lines cut by a transversal. That tells you that the two angles are EQUAL. So you can write

8x + 78 = 2x + 114 ,

and it should all be smooth sailing for you from that point.

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3 years ago

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3 years ago

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What is the value of y?

RUDIKE [14]

Answer:

C. 55

Step-by-step explanation:

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2 years ago

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For questions 8 – 10, answer the questions about tangent-tangent angles.

olchik [2.2K]

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 = $\frac{1}{2}(\text{Difference of intercepted arcs})$

= $\frac{1}{2}(220-140)$

= $\frac{1}{2}(80)$

= 40°

9). Following the same rule as above,

Angle formed between two tangents = $\frac{1}{2}(\text{Difference of intercepted arcs})$

125 = $\frac{1}{2}[m(\text{major arc})-m(\text{minor arc})]$

250 = $[m(\text{arc ZWY})-m(\text{arc ZY})]$

250 = m(arc ZWY) - 55

m(arc ZWY) = 305°

Therefore, measure of arc ZWY = 305° will be the answer.

10). m(arc BAC) = $\frac{1}{2}([m(\text{arc BDC})-m(\text{arc BC})])$

= $\frac{1}{2}(254-106)$

= $\frac{148}{2}$

= 74°

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2 years ago

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Lera25 [3.4K]

Answer:

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Step-by-step explanation:

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3 years ago