3 years ago

Find the value of x. A. 80° B. 70° C. 60° D. 50°

Mathematics

1 answer:

borishaifa [10]3 years ago

7 0

Answer:

Step-by-step explanation:

80 degree becaue a triangle = 180 degress

180 - 100 = 80

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What 9•8(k+9)-5•7=<br><br> K=?

lara31 [8.8K]

9.8(k+9)−5.7
Distribute:
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3 years ago

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Find the length of AB

Lady_Fox [76]

Hey there! :)

Answer:

arc AB = 2.5π in (in terms of pi) or ≈7.85 in. (pi = 3.14)

Step-by-step explanation:

Begin by finding the circumference of the circle. Use the formula:

C = 2rπ

C = 2(9)π

C = 18π.

Since ∠AQB equals 50°, set up a ratio to find the length of arc AB:

$\frac{50}{360} = \frac{x}{18\pi }$

Cross multiply:

50 · 18π = 360x

900π = 360x

Divide both sides by 360:

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