jacobiroberts18

17.10.2019 • 

Mathematics

Solve.
15 ella made a sketch
tre
ade a sketch of an octagonal window on a 27-inch square
o paper. first, she cut 4 identical isosceles triangles from
e corners of the paper. then, she cut a square from the center
of the octagon. each leg of a cut-off triangle is the length of
the paper. the side length of the cut-out square is also į the
length of the paper. what was the area of the sketch after she
removed the triangles and the square?

Ответ:

kc22

24.02.2020

Mathematics

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99.7% confident the average concentration of PCBs in the water supply is between 2.3 parts per billion and 4.1 parts per billion.

Step-by-step explanation:

Just took the question, this is the correct answer.

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