Question

solve the following right angle triangle abc whereangle A equal to 90 degree Angle B equal to 45 degree and B equal to 3 cm ​

Answer 1

Answer:

Step-by-step explanation:

ab=4cm and bc=3cm

So, by Pythagoras theorem ac  

2

=ab  

2

+bc  

2

 

=4  

2

+3  

2

 

=16+9=25

ac=  

2

​  

5=5

Radius of circle =  

Semiperimeter

Areaoftriangle

​  

 

2

3+4+5

​  

 

2

1

​  

×3×4

​  

=  

2

12

​  

 

6

​  

=1

Radius =1cm