Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
primary 6 | Maths
| Geometry
One Answer Below
Anyone can contribute an answer, even non-tutors.
Can any one please help? I'm confused.
Date Posted: 4 years ago
Views: 322
See 1 Answer
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
∠a + ∠b = 67°
(exterior angle = sum of two interior opposite angles)
Or
∠a + ∠b = 180° - 113° = 67°
(Angle sum of triangle)
(exterior angle = sum of two interior opposite angles)
Or
∠a + ∠b = 180° - 113° = 67°
(Angle sum of triangle)
Date Posted:
4 years ago
Abbas, you're on the right track. Just have to find the other angles first using the properties :
①Vertically opposite angles are equal
②angle sum of triangle = 180°
①Vertically opposite angles are equal
②angle sum of triangle = 180°
Thanks it is so useful. Thanks J
Welcome
360 Tutoring Program