Question

solve this problem of ​

Answer 1

A=45° B=75° C=60°

A÷sin45 ]

B÷sin75 ] =2R

C÷sin60 ]

A+ C root 2

2R sin45°+ root 2(2R sin 60°)

2R[ 1 + root 2 × root 3 ]

Root2 2

2R[2+2 root 3 •••/\=1 ac sin b

2 root 2 2

2R[ 1+root 3 ] •••R=abc÷4A

Root 2