Mathematics
The sum of interior angles of a regular polygon is thrice the sum of its exterior angles. Find the number of sides in the polygon.
Related Questions
In quadrilateral ABCD, sides AB and DC are parallel to each other. If ∠A : ∠D = 2 : 3 and ∠B : ∠C = 7 : 8; find all the angles of quadrilateral ABCD.
In quadrilateral ABCD; 2∠A = 3∠B = 2∠C = 6∠D. Find all the angles of the quadrilateral.
Angles of a quadrilateral are (4x)°, 5(x + 2)°, (7x - 20)° and 6(x + 3)°. Find:
(i) the value of x.
(ii) each angle of the quadrilateral.
Use the information given in the following figure to find:
(i) x.
(ii) ∠B and ∠C.