class 10 th maths ques answer me fastt frnds
Answers
Answered by
2
hyy mate ✌️
hope it will help you ❣️❣️
Attachments:
Answered by
1
cos a = base / hypotenuse
so
cos a = ac/ab
similarly
cos b = base / hypotenuse
so
bc/ ab
given that cosa = cos b
ac/ab = bc/ ab
so
ac = bc
we know that opposite sides of triangle are equal so
angle b = angle a
hence proved
Similar questions