Geometry - Circle Partial Area and Circumference - Intro

24 Topics, 4 Skills

Circumference - Equation to Diameter

Topic 1

Circumference - Equation to Radius

Topic 2

Circle from Radius - To Pi Value

Topic 3

Circles - Find Radius from Diameter

Topic 4

Circumference of a Part Circle - Angle to Fraction

Topic 5

Circumference of a Part Circle - Fraction to Angle

Topic 6

Circumference of a Part Circle - Radius and Fraction to Arc Length (Pi Value)

Topic 7

Circumference of a Part Circle - Radius and Fraction to Arc Length (Decimal)

Topic 8

Circumference of a Part Circle - Radius and Arc Length to Fraction (Pi Value)

Topic 9

Circumference of a Part Circle - Radius and Arc Length to Fraction (Decimal)

Topic 10

Part Circle - Angle to Fraction

Topic 11

Part Circle - Fraction to Angle

Topic 12

Part Circle - Radius and Fraction to Arc Length (Pi Value)

Topic 13

Part Circle - Radius and Fraction to Arc Length (Decimal)

Topic 14

Part Circle - Radius and Arc Length to Fraction (Pi Value)

Topic 15

Part Circle - Radius and Arc Length to Fraction (Decimal)

Topic 16

Part Circle - Full Area and Fraction to Part Area (Decimal)

Topic 17

Part Circle - Full Area and Fraction to Part Area (Decimal)

Topic 18

Part Circle - Full Area and Fraction to Part Area (Pi Value)

Topic 19

Part Circle - Full Area and Fraction to Part Area (Pi Value)

Topic 20

Part Circle - Part Area and Fraction to Full Area (Decimal)

Topic 21

Part Circle - Part Area and Fraction to Full Area (Decimal)

Topic 22

Part Circle - Part Area and Fraction to Full Area (Pi Value)

Topic 23

Part Circle - Part Area and Fraction to Full Area (Pi Value)

Topic 24

Circles - Find Radius from Diameter (Level 2)

Topic 4

This math topic covers finding the radius of a circle given its diameter, enhancing skills in elementary geometry. As part of an introductory series on cylinders, this topic requires the practical application of the formula, where the radius is half the diameter. Each problem presents a specific circle, and the students must calculate and choose the correct radius from a set of multiple-choice answers. This exercise helps develop a foundational understanding of circle geometry, essential for further study in more complex geometric shapes like cylinders.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Circles - Find Radius from Diameter

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Find the radius of the circle that has the given diameter

r=?d=18