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CBSE Class 10 Maths (Basic) 2025 · Paper 430/6/1 · Question 20

Triangles 1 mark Medium
Assertion (A): such that , . Hence . Reason (R): The sum of all angles of a triangle is . Choose the correct option.

Assertion (A): with . Hence .

Reason (R): The sum of all angles of a triangle is .

  1. (a)Both A and R are true, and R is the correct explanation of A.
  2. (b)Both A and R are true, but R is not the correct explanation of A.
  3. (c)A is true but R is false.
  4. (d)A is false but R is true.

Answer

(b) Both A and R are true, but R is not the correct explanation of A.

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