Mathematics
Two angles of a polygon are right angles and the remaining are 120° each. Find the number of sides in it.
Related Questions
Two angles of a hexagon are 120° and 160°. If the remaining four angles are equal, find each equal angle.
The figure given below shows a pentagon ABCDE with sides AB and ED parallel to each other, and ∠B : ∠C : ∠D = 5 : 6 : 7.
(i) Using formula, find the sum of interior angles of the pentagon.
(ii) Write the value of ∠A + ∠E.
(iii) Find angles B, C and D.
In a hexagon ABCDEF, side AB is parallel to side FE and ∠B : ∠C : ∠D : ∠E = 6 : 4 : 2 : 3. Find ∠B and ∠D.
The angles of a hexagon are x + 10°, 2x + 20°, 2x - 20°, 3x - 50°, x + 40° and x + 20°. Find x.