In A ABC if AB = (2a-1)cm, AC= (2√2a) cm
BC= (2a+1)cm then what will be the value of √BAC
Answers
Answered by
0
Answer:
Step-by-step explanation:
here we see that
AB^2=4a^2-4a+1
BC^2=4a^2+4a+1
AC^2=8a^2
hence,
BC^2-AB^2=AC^2
so, BC^2=AB^2+AC^2
according to Pythagoras theorem
angles BAC is right angle , because their sides show Pythagoras theorem .
hence angle BAC=90 degree
Similar questions
Accountancy,
1 month ago
History,
1 month ago
Math,
2 months ago
English,
10 months ago
India Languages,
10 months ago