Math, asked by rashmivikas7777, 3 months ago

1. If A DOR - ABCA contle the parts of ABCA
that corresponding to
i alpha E​

Answers

Answered by patelved180
0

Answer:

In square ABCD, DO(diagonal DB) bisects ∠D

⇒ ∠ODC=45  

o

 

DO=DX ⇒ ∠DXO=∠DOX (angles opp.equal sides are equal)

∴ In △DOX, ∠DXO=∠DOX=  

2

1

​  

(180  

o

−45  

o

)=  

2

1

​  

×135  

o

=67.5  

o

 

Since the diagonals of a square bisect each other at rightangles,

∠DOC=90  

o

 

∴ ∠XOC=∠DOC−∠DOX=90  

o

−67.5  

o

=22.5  

o

 

∴ Required ratio=  

∠XOC

∠DOX

​  

=  

22.5  

o

 

67.5  

o

 

​  

=  

1

3

​  

=3:1

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