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G S Rehill's Interactive Maths Software Series - "Building a Strong Foundation in Mathematics" from mathsteacher.com.au.

Order a 12-month Year 7 Interactive Maths software Homework Licence for only $19.95. Order a 12-month Year 8 Interactive Maths software Homework Licence for only $19.95. Order a 12-month Year 9 Interactive Maths software Homework Licence for only $19.95. Order a 12-month Year 10 Interactive Maths software Homework Licence for only $19.95.

Year 9 Interactive Maths - Second Edition


Projects

Project 7.1  Length of the Path

A square PQRS of sides 5 cm is turned without sliding it along the horizontal line AB, turning about the vertices S, R, Q and P in succession.

1.  What is the length of the path traced out by vertex P when it is rotated about:
a.  the vertex S
b.  the vertex R
c.  the vertex Q

2.  What is the total length of the path traced out by vertex P until it is again on the line AB?



Project 7.2  A Table of Square Roots

A spiral drawn using graph paper can be used to build a table of square roots.

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