Mathematics
If the difference between an interior angle of a regular polygon of (n + 1) sides and an interior angle of a regular polygon of n sides is 4°; find the value of n.
Also, state the difference between their exterior angles.
Related Questions
In a quadrilateral ABCD, ∠B = 90° = ∠D. Prove that :
2AC2 - BC2 = AB2 + AD2 + DC2.
The ratio between the number of sides of two regular polygons is 3 : 4 and ratio between the sum of their interior angles is 2 : 3. Find the number of sides in each polygon.
In a quadrilateral ABCD; angles A, B, C and D are in the ratio 3 : 2 : 1 : 4. Prove that AD is parallel to BC.
In a quadrilateral ABCD, AB = CD and ∠B = ∠C. Prove that:
(i) AC = DB,
(ii) AD is parallel to BC.