Year 9 Interactive Maths - Second Edition

Problem Solving Unit

Problem 14.1  Longest Line

What is the length of the longest straight line one can draw on a 31 cm by 39.5 cm sheet of paper?

Problem 14.2  How Long?

Sabina takes 6 hours to complete a job.  Sabrina takes 5 hours to complete the same job.  Working together, how long will it take to complete the job?

Problem 14.3  Area of the Screen

The diagonal of a rectangular television screen is 1.7 m.  One side is 1.2 m long.

What is the area of the screen?

Problem 14.4  How many?

How many cubic metres of water (correct to 2 decimal places) are in this water tank when it is half full?

Study Another Topic in Chapter 14: Measurement

[ Perimeter ] [ Circumference of a Circle ] [ Area ] [ Problem Solving ] [ Area of Other Figures ] [ Area of a Trapezium ] [ Area of a Rhombus ] [ Area of a Kite ] [ Area of a Circle ] [ Area of a Annulus ] [ Composite Figures ] [ Surface Areas ] [ Total Surface Area of a Cuboid ] [ Curved Surface Area of a Cylinder ] [ Total Surface Area of a Cylinder ] [ Volume ] [ Volume of a Cuboid ] [ Volume of a Cylinder ] [ Volume of a Triangular Prism ] [ Capacity ] [ Problem Solving ] [ Problem Solving Unit ] [ Symbols ] [ Index ]