1. The area of a circle is 120 square inches. What is its circumference?
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter68: Basic Calculations Of Angles And Sides Of Right Triangles
Section: Chapter Questions
Problem 6A
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![1. The area of a circle is 120 square inches. What is its circumference?
2. The sides of a triangle are 80cm, 100cm, and 140cm. determine the radius of the inscribed
circle.
3. The sides of a triangle are 80cm, 100cm, and 140cm. determine the radius of the
circumscribing circle.
4. The central angle of 136°subtends an arc of 28.5cm. What is the radius of the circle?
5. The angle of a sector is 30 and the radius is 15cm, What is the area of the sector in square
centimeters?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb6531d4d-54ba-407f-8bf0-3a1ae07f7458%2Fdf6a0f0a-2b21-4e32-afc3-e93a04847610%2F5lf6cy_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. The area of a circle is 120 square inches. What is its circumference?
2. The sides of a triangle are 80cm, 100cm, and 140cm. determine the radius of the inscribed
circle.
3. The sides of a triangle are 80cm, 100cm, and 140cm. determine the radius of the
circumscribing circle.
4. The central angle of 136°subtends an arc of 28.5cm. What is the radius of the circle?
5. The angle of a sector is 30 and the radius is 15cm, What is the area of the sector in square
centimeters?
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