Q-1(A) Choose the correct option from the given options,
1) What is shown in the given figure?
a) Weaving of cotton from the fibre
b) Ginning of cotton
c) Harvesting in the cotton field.
d) Making of yarn from the fabric.
2) On the basis of which characteristics, Jute
is considered as a natural fibre?
(a) It is produced very easily.
(b) It is obtained from plants.
(c) It is the strongest fibre,
(d) Silkworms are useful in its production
3) Which of the following characteristics is most useful for flower identication
(a) It smells good,
(b) it is always coloured.
(c) It is found at the top of the stem.
(d) Corolla (Dalpatra) is found in it
in brief
Answers
Explanation:
†Question−1
⠀⠀⠀⠀
Two times a number is equal to six less than three times the number what the number is.
❍ Let's say, the number be n respectively.
A/Q,
Two times a number is equal to six less than three times the number '(n)'.
Therefore,
↠ 2n = 3n – 6
↠ 2n - 3n = - 6
↠- n = - 6
(Cancelling –ve sign from both sides).
↠ n = 6
\therefore∴ Hence, the needed number is 6.
\rule{250px}{.3ex}
\underline{\bf{\dag} \:\mathfrak{Question-2}}
†Question−2
⠀⠀⠀⠀
ABC is an isosceles triangle right angled at C. Prove that AB² = 2AC².
AnswEr :
Here, In ∆ ACB, we'll use Pythagoras theorem.
AC = BC Because, in isosceles triangle two sides are always equal and ∆ACB is an isosceles triangle.
And, AB is Hypotenuse (longest side).
↠(Hypotenuse)² = (Height)² + (Base)²
↠(AB)² = (AC)² + (BC)²
Here, in triangle (AC = BC). Hence, we can write AC instead of BC.
↠(AB)² = 2AC² ⠀⠀⠀⠀⠀⠀ ∴ (Hence, Proved!)
†Question−1
⠀⠀⠀⠀
Two times a number is equal to six less than three times the number what the number is.
❍ Let's say, the number be n respectively.
A/Q,
Two times a number is equal to six less than three times the number '(n)'.
Therefore,
↠ 2n = 3n – 6
↠ 2n - 3n = - 6
↠- n = - 6
(Cancelling –ve sign from both sides).
↠ n = 6
\therefore∴ Hence, the needed number is 6.
\rule{250px}{.3ex}
\underline{\bf{\dag} \:\mathfrak{Question-2}}
†Question−2
⠀⠀⠀⠀
ABC is an isosceles triangle right angled at C. Prove that AB² = 2AC².
AnswEr :
Here, In ∆ ACB, we'll use Pythagoras theorem.
AC = BC Because, in isosceles triangle two sides are always equal and ∆ACB is an isosceles triangle.
And, AB is Hypotenuse (longest side).
↠(Hypotenuse)² = (Height)² + (Base)²
↠(AB)² = (AC)² + (BC)²
Here, in triangle (AC = BC). Hence, we can write AC instead of BC.
↠(AB)² = 2AC² ⠀⠀⠀⠀⠀⠀ ∴ (Hence, Proved!)
†Question−1
⠀⠀⠀⠀
Two times a number is equal to six less than three times the number what the number is.
❍ Let's say, the number be n respectively.
A/Q,
Two times a number is equal to six less than three times the number '(n)'.
Therefore,
↠ 2n = 3n – 6
↠ 2n - 3n = - 6
↠- n = - 6
(Cancelling –ve sign from both sides).
↠ n = 6
\therefore∴ Hence, the needed number is 6.
\rule{250px}{.3ex}
\underline{\bf{\dag} \:\mathfrak{Question-2}}
†Question−2
⠀⠀⠀⠀
ABC is an isosceles triangle right angled at C. Prove that AB² = 2AC².
AnswEr :
Here, In ∆ ACB, we'll use Pythagoras theorem.
AC = BC Because, in isosceles triangle two sides are always equal and ∆ACB is an isosceles triangle.
And, AB is Hypotenuse (longest side).
↠(Hypotenuse)² = (Height)² + (Base)²
↠(AB)² = (AC)² + (BC)²
Here, in triangle (AC = BC). Hence, we can write AC instead of BC.
↠(AB)² = 2AC² ⠀⠀⠀⠀⠀⠀ ∴ (Hence, Proved!)