Mathematics
Assertion (A) : The number of diagonals of a nonagon = 27. Reason (R) : The number of diagonals of an n-sided polygon = . 1. Both A and R are correct, and R is the correct explanation for A. 2. Both A and R are correct, and R is not the correct explanation for A. 3. A is true, but R is false. 4. A is false, but R is true.
Related Questions
Assertion (A) : It is possible to have a regular polygon the sum of whose interior angle is 1000°.
Reason (R) : The sum of the interior angle of a polygon with n sides = (2n - 4) x 90°.
Both A and R are correct, and R is the correct explanation for A.
Both A and R are correct, and R is not the correct explanation for A.
A is true, but R is false.
A is false, but R is true.
Assertion (A) : The ratio between the exterior and interior angle of a regular polygon is 1 : 8. The number of sides of the regular polygon is 18.
Reason (R) : The sum of the exterior angle and interior angles of a convex polygon are 360° and 2(n - 1) x 90° respectively.
Both A and R are correct, and R is the correct explanation for A.
Both A and R are correct, and R is not the correct explanation for A.
A is true, but R is false.
A is false, but R is true.
The angles of a quadrilateral are in the ratio 3 : 5 : 7. If the difference between the largest and the smallest of these angles is 76°; find the fourth angle of the quadrilateral.