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ololo11 [35]
3 years ago
5

Find the circumstance of the circle

Mathematics
2 answers:
Karolina [17]3 years ago
5 0

Answer:

72.22

Step-by-step explanation:

Circumference =  πd

In your case, 3.14×23

3.14*23=72.22

worty [1.4K]3 years ago
5 0
The formula: 2pieR
Diameter times pie
23*3.14=72.22
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A short-wave radio antenna is supported by two guy wires, 150 ft and 180 ft long. Each wire is attached to the top of the antenn
Dafna1 [17]

The distance between the anchor points of the two guy wires holding radio antenna is 181 feet (to the nearest foot)

<h3>How to determine the distance between the two anchor points of the guy wire</h3>

The problem will be solved using SOH CAH TOA

let the distance between the 150 ft long guy wire and the radio antenna be x

let the distance between the 180 ft long guy wire and the radio antenna be y

cos 65° = x / 150

x = cos 65° * 150

x = 63.39 ft

The height of the antenna

sin 65° = height of antenna / 150

height of antenna = sin 65 * 150

height of antenna = 135.95

using Pythagoras theorem

(length of guy wire)² = (height of the antenna)² + (anchor distance)²

(anchor distance)² = 180² - 135.95²

anchor distance = √(180² - 135.95²)

anchor distance = 117.97

The anchor points distance apart

= 63.39 + 117.97

= 181 (to the nearest foot)

Learn more on Pythagoras theorem here:

brainly.com/question/29241066

#SPJ1

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1 year ago
2.67 repeating as a simplified fraction
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Answer:

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Convert 2x-y=-7 into slop-intercept form​
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Sidana [21]

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Step-by-step explanation:


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