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​Pythagoras’ Theorem: Quiz 4 - Answers
Part 1
​1) 5 units
2) 6.3 units
3) 6.4 units
4) 5.1 units
5) 5 units

Part 2
1) 
​a) 6.3 units
b) 3.6 units
c) 7.6 units
d) 5 units
e) 9.4 units
f) 11.4 units
g) 6.7 units
h) 8.2 units
Working
Part 1
Part 1
Questions
​You may use a calculator for all of the questions in this quiz. 
Part 1
1) What is the length of the line of the graph below?
​2) What is the length of the line on the graph below? Give your answer to 1 decimal places. 
3) What is the length of the line on the graph below? Give your answer to 1 decimal places. 
4) What is the length of the line on the graph below? Give your answer to 1 decimal places.
​5) What is the length of the line on the graph below? Give your answer to 1 decimal places. 
Part 2
1) Find the length of PQ where P and Q have the following coordinates (give your answer to 1 decimal place):
 
a) P(2, 1) and Q(4, 7)
 
b) P(3, 4) and (6, 6)
 
c) P(1, 5) and Q(8, 2)
 
d) P(2, 1) and Q(5, -3)
 
e) P(-2, 4) and Q(-7, -4)
 
f) P(1, 3) and (-2, -8)
 
g) P(0.5, 6) and Q(5.5, 1.5)
 
h) P(-2.1, 4.7) and (3.6, -1.2)