Question

in triangle RST angle S= 90° angle T =30° RT= 12 cm then find RS and ST​

Answer 1

Answer:

In △RST ,  

∠S=90  

∘

,∠T=30  

∘

,

∴∠R=60  

∘

 

By 30  

∘

−60  

∘

−90  

∘

 theorem

RS=  

2

1

​

×RT

⇒RS=  

2

1

​

×12

⇒RS=6cm...(1)

ST=  

2

3

​

 

​

×RT

⇒ST=  

2

3

​

 

​

×12

⇒ST=6  

3

​

cm..(2)  

Hence, RS=6cm and ST=6  

3

​

cm

Step-by-step explanation: