What is the relationship between the angle of a sector and the area of the full circle?
GCSE Maths - Area of a Sector and Length of an Arc of a Circle (Circles Part 3) #108
Interactive Video
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Mathematics
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9th - 10th Grade
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Hard
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This video tutorial explains how to calculate the area of a sector and the length of an arc in a circle. It begins with a recap of key terms and introduces formulas for these calculations. The video emphasizes understanding the concept of sectors and arcs as fractions of a circle, using examples with simple and complex angles. It concludes with a practical example, demonstrating how to apply the formulas to solve problems.
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7 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What fraction of a circle does a sector with an angle of 90 degrees represent?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
How do you calculate the area of a sector when given the angle and radius?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the formula for the area of a circle, and how does it relate to the area of a sector?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain how to find the length of an arc using the angle and radius.
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
How would you calculate the area of a sector with an angle of 113 degrees and a radius of 15 millimeters?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
Describe the process to find the length of the arc for a sector with a given angle.
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