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Chynadoll94
07.10.2019 •
Mathematics
Figure abcd is graphed on a coordinate plane.
abcd is an isosceles trapezoid. what is the approximate perimeter of abcd? round to the nearest tenth.
16.5 units
18.9 units
20.9 units
24.0 units
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Ответ:
2. AD is 3+5= 8 (units)
3. Draw the altitude CH from point C, as shown in the figure.
4. Then triangle CHD is a right triangle, with hypothenuse CD, and sides HD and CH.
5.
6. AB=CD=4.47 because the trapezoid is isosceles.
7. P= BC+AD+AB+CD=4+8+4.47+4.47=20.9 (units)
Ответ:
y = 5x + 2
Step-by-step explanation:
x=0 y=2 => b=2
x = 1 y = 7 b=2 => m =5