एक त्रिभुज के कोण की मान का अनुपात 2:7:11 है तो कोण की मान ज्ञात करे
A. `16^(@),56^(@),88^(@)`
B. `18^(@),63^(@),99^@`
C. `20^(@),70^(@),90^(@)`
D. `25^(@),175^(@),105^(@)`
A. `16^(@),56^(@),88^(@)`
B. `18^(@),63^(@),99^@`
C. `20^(@),70^(@),90^(@)`
D. `25^(@),175^(@),105^(@)`
Correct Answer – b
Angles of triangle are in ratio 2:7:11
According to question
`2x+7x+11x=180`
`20x=180`
`x=9`