whackybrother24
26.05.2021 •
Mathematics
20
What is the perimeter of the quadrilateral below? If necessary, round to the nearest tenth.
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Ответ:
Perimeter = 33.4 units.
Step-by-step explanation:
The 2 horizontal lines are 10 and 3 units long.
The vertical line is 9 units long.
By Pythagoras the length of the sloping line
= sqrt(9^2 + 7^2)
= sqrt(130)
= 11.4017.
Perimeter = 10 + 3 + 9 + 11.4
= 33.4 units.
Ответ:
-3.8
Step-by-step explanation: