Question

9. Which part of the digestive canal is involved in 10 absorption of food o chewing of food 3) killing of bacteria complete digestion of food (v) formation of faeces ​

Answer 1

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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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Answer 2

1. Small intestine is involved in the absorption of food o chewing of food.
2. Stomach is involved in killing of bacteria complete digestion of food.
3. Large intestine is involved in formation of faeces.