Question 19
1 answer:
Answer: 10√17
Step-by-step explanation:
The movement of the boat takes the shape of a trapezium as shown in the attached photo.
The distance of the boat from its starting point is represented by x kilometers.
To determine the distance, x, we would apply Pythagoras theorem on the right angle triangle ABC formed. It is expressed as
Hypotenuse² = opposite side² + adjacent side². It becomes
x² = 40² + 10² = 1600 + 100
x² = 1700
x = √1700 = √100 × √17
x = 10√17
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Answer: ,
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, 15/2, 7.5
Step-by-step explanation: This is a bit tricky because 15/2 is equal to 7.5 !!
√40 = 6.32455532
7 1/5 = 7.2
3√6 = 7.348469228
15/2 = 7.5
7.5 = 7.5