Sim Jia Xin Jasmine's answer to tiffany's Secondary 3 E Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Since AB = BC = 1 unit, triangle ABC is an isosceles triangle.
Angle BAC = Angle BCA = 45°
Length of AC = √2 (By Pythagoras theorem)
Pick either Angle BAC or BCA
Use sine rule to prove.
Hope this helps
Angle BAC = Angle BCA = 45°
Length of AC = √2 (By Pythagoras theorem)
Pick either Angle BAC or BCA
Use sine rule to prove.
Hope this helps
Date Posted:
3 years ago
360 Tutoring Program