Question

8
figure given below both
Ju the
RISK and CLUE, are parellogram
Find the
value of a a
K к
is
E
쉼
20.
De
1200
Xe
7
To
с E
I
R​

Answer 1

Answer:

In parallelogram RISK,  

∠RKS+∠ISK=180  

∘

 

120  

∘

+∠ISK=180  

∘

 

∠ISK=60  

∘

 

Adjacent angles are supplementary

Also, opposite angles are equal

In parallelogram CLUE, ∠ULC=∠CEU=70  

∘

 

Now,

x+∠ISK+∠CEU=180  

o

 

x+60  

∘

+70  

∘

=180  

∘

 

x=50  

∘

Step-by-step explanation: