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ololo11 [35]
2 years ago
9

: diameter of Circle P. 1 = m 3 = 20°, then m =

Mathematics
1 answer:
posledela2 years ago
3 0

The required value of Arc BC m = 140° Option B is correct.

Given that,
AD is the diameter of the circle,
∠1 = ∠3 = 20°
Arc BC is to be determined.


<h3>What is an arc?</h3>

Arc is the measure of angle on the circumference of circle.

Here,
∠1 = arc AB
∠3 = arc CD
Now, for circle p
Since angle 1 and angle 2 are equal to the composition of the arc,
Arc  AD = Arc AB + Arc BC + Arc CD = 180
20 + Arc BC + 20 = 180
Arc BC = 180 - 40

Arc BC = 140°

Thus, the required value of Arc BC m = 140° Option B is correct.

Learn more about arc here:

brainly.com/question/18741430

#SPJ1

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Step-by-step explanation:

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3 years ago
W (n) = n^2-n find w (-3)
Papessa [141]

Answer:

w(-3) = 12

Step-by-step explanation:

Plug in -3 for n in the equation:

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w (-3) = (-3)^2 - (-3)\\w (-3) = (-3 * -3) - (-3)\\w (-3) = (9) - (-3)

Next, combine like terms. Note that if there are two negative signs directly next to each other, it becomes a positive sign. Add:

w(-3) = 9 - (-3)\\w(-3) = 9 + 3\\w(-3) = 12

Your answer: w(-3) = 12

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I'm always happy to help :)

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