The graph shows the speed of a minibus, in metres per second, during the first a
40 seconds of a journey.
251
Work out an estimate for the distance
travelled by the minibus in the first
40 seconds.
Use 4 strips of equal width.
20
+
15
Speed
(m/s)
10
20
Time (seconds)
Total marks: 4

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step-by-step explanation:

gayule

perimeter = 10 +  √10  units

explanation:

first, we will need to get the length of each line using the distance formula which is as follows:

distance = 

1- length of ab:

ab =   = 5 units

2- length of ac

length of ac is the same as ab = 5 units

3- length of bc:

bc =   =  √10  units

now, we can get the perimeter by adding the side lengths as follows:

perimeter = 5 + 5 +  √10

perimeter = 10 +  √10  units

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step-by-step explanation: