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You will probably need pen and paper to answer these questions ... and a calculator!
     
 
1) A rectangle measures 15 cm by 11 cm.
How long is each diagonal to one decimal place?
cm
2) Work out
 2 + 5  
3
 to four significant figures.
3) Find the length of arc of a quadrant of a circle with radius 9 cm.
Give your answer to three significant figures.
cm
4) Use the formula v = (2gh) to find v when g = 9.8 and h = 20.
Give your answer to three significant figures.
 
5) Find the positive value of x so that x 2 + 3x = 200.
Give your answer to 2 decimal places.

 

 

 
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