Mathematics
In a pentagon ABCDE, AB is parallel to DC and ∠A : ∠E : ∠D = 3 : 4 : 5. Find angle E.
Related Questions
Three angles of a seven sided polygon are 132° each and remaining four angles are equal. Find the value of each equal angle.
Two angles of an eight sided polygon are 142° and 176°. If the remaining angles are equal to each other; find the magnitude of each of the equal angles.
AB, BC and CD are the three consecutive sides of a regular polygon. If ∠BAC = 15°; find,
(i) each interior angle of the polygon.
(ii) each exterior angle of the polygon.
(iii) number of sides of the polygon.
The ratio between an exterior angle and an interior angle of a regular polygon is 2 : 3. Find the number of sides in the polygon.