Coordinates and shapes: To solve practical problems involving circles

Coordinates and shapes: To solve practical problems involving circles

Lesson details

Key learning points

  1. In this lesson, we will identify relationships between circle parts and then solve problems involving circles.

Licence

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5 Questions

Q1.
Which part of the circle does the arrow represent?
An image in a quiz
Correct answer: Circumference
Diameter
Radius
Q2.
Examples of which part of the circle are shown below?
An image in a quiz
Circumference
Diameter
Correct answer: Radius
Q3.
Examples of which part of the circle are shown below?
An image in a quiz
Circumference
Correct answer: Diameter
Radius
Q4.
Use the given radius to calculate the diameter of the circle.
An image in a quiz
2.1 cm
21 cm
Correct answer: 8.4 cm
84 cm
Q5.
Use the given diameter to calculate the radius of the circle.
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10 cm
Correct answer: 10.5 cm
42 cm

4 Questions

Q1.
What is the approximate circumference of this circle?
An image in a quiz
Approximately 10.5 cm
Approximately 21 cm
Correct answer: Approximately 63 cm
Q2.
What is the approximate circumference of this circle?
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Approximately 12.6 cm
Correct answer: Approximately 25.2 cm
Approximately 8.4 cm
Q3.
3 circles with radius 3 cm are placed next to each other. What is the length of the row?
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12 cm
Correct answer: 18 cm
9 cm
Q4.
4 circles with diameter 4.1 cm are placed next to each other. What is the length of the row?
An image in a quiz
12 cm
Correct answer: 16.4 cm
8.2 cm

Lesson appears in

UnitMaths / Coordinates and shape