1. SYDNEY’S OPERA HOUSE DIMENSIONS

It is approximately 185 m long and 120m wide at its widest point. The highest roof vault (above the Concert Hall) is 67m above sea level.

What would the dimensions be if you were to build a 1:200 scale model of the Opera House?

2. BRISBANE’S STORY BRIDGE DIMENSIONS

Bridge and approaches stretch is 1375m in length. Bridge roadway is 18.3m wide with two footpaths 3m wide each

What would the dimensions be if you built a 1:150 scale model of the Story Bridge?

3. SCALE CARS

In the display cabinet below, I found a model car 7.5 cm in length. If the car was modelled on a scale of 1:43, what was the length of the full-size car?

4. T-REX

This soft model toy of T-rex is 23.75 cm long, 10 cm wide and 9.375 cm high. It is built on a 1:50 scale. What were the dimensions of T-rex when he was alive?

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