Saved Bookmarks
| 1. |
.Solve it if you are a genius. Spammers will be reported.Find the unknown angle i.e a .The figure is a square.Correct answer will be marked as brainlest.Along with correct explanationI have posted it thrice but no answers |
|
Answer» - ∠DXC = 112°ABCD is a squareAC is the diagonal of the squareDY is a STRAIGHT lineTo Find :- The unknown angle ' a 'Solution :-SINCE ABCD is a square, therefore, ∠C = 90° (PROPERTY of a square)Since AC is the diagonal, => ∠DCX and ∠YCX = 45°(Since, Diagonal bisects an angle in equal PARTS)DY is a straight line (Given)=> ∠DXC + ∠YXC = 180° (Linear Pair)=> 112° + ∠YXC = 180°=> ∠YXC = 180° - 112°=> ∠YXC = 68° In ∆ CXY :- ∠YCX + ∠YXC + ∠a = 180°=> 45° + 68° + ∠a = 180°=> 113° + ∠a = 180° => ∠a = 180° - 113° => ∠a = 67°Required answer = 67° |
|