Question

3. How many lines can be drawn through three collinear points?
4. Mark three non-collinear points A, B and C in your notebook. Draw lines through
these points taking two at a time and name these lines. How many such different
lines can be drawn?​

Answer 1

Answer:

3.one line

(iii) Only one line can be drawn through three collinear points.

Step-by-step explanation:

4.ATTACHMENT IS THERE....

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Answer 2

Answer:

Step-by-step explanation:

ANSWER

Given, 2sin² θ−cos² θ=2

⇒2sin² θ−1+sin² θ=2

⇒3sin²θ−1=2

⇒sin² θ=1

⇒sinθ=sin90 °

⇒θ=90 ∘

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