Rahul is observing a cell through a microscope. Following are the observations made by him. Based on the following observations made by him, identify the type of cell. I. Cell wall, ribosomes, plasma membrane are present II. Nucleic acids are visible, but they are not separated from other organelles by any membrane
(A) Eukaryotic plant cell
(C) Prokaryotic plant cell
(B) Eukaryotic animal cell
(D) Prokaryotic animal cell
(E) Prokaryotic bacterial cell
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Explanation:
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ANSWER᭄
Let the required angle be x .
Thus,
The complement of the given angle will be (90° - x).
Also,
The supplement of the given angle will be (180° - x).
Now,
According to the question;
The supplement of the required angle is 4 times of its complement.
Thus,
=> (180° - x) = 4(90°- x)
=> 180° - x = 360° - 4x
=> 4x - x = 360° - 180°
=> 3x = 180°
=> x = 180°/3
=> x = 60°
Hence,
The required angle is 60°
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