25
7 In AABC, AB = AC = 15 cm, BC = 18 cm. Find (1) cos ZABC (1) sin ZACB. solve it
Hint. Draw AD perpendicular to BC, then D is mid-point of BC, so BD = 9 cm. By
Pythagoras theorem, AD = 12 cm.
Answers
Answered by
53
Hi bro,
I hope this answer helps you.....
If you like my answer please atleast give a THANKS.
Attachments:
Similar questions