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jona187
17.09.2019 •
Mathematics
The length of a rectangle is 7 units and its width is 5 units. what is the approximate length of the diagonal of the rectangle?
a. 4.9 units b. 6 units c. 8.6 units d. 9 units
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Ответ:
The length of the diagonal is 8.6 units .
Option (C) is correct.
Step-by-step explanation:
As given
The length of a rectangle is 7 units and its width is 5 units.
Now by using the pythagorean theorem
Hypotenuse² = Perpedicular² + Base²
Now as shown in the figure given below.
AC² = AD² + DC²
As
AD = 5 units
DC = 7 units
Put in the above
AC² = 5² + 7²
AC² = 25 + 49
AC² = 74
AC = 8.6 units
Therefore the length of the diagonal is 8.6 units .
Option (C) is correct.
Ответ:
Step-by-step explanation:
1 4/7= 11/7
11/7×2/5=22/35