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primary 6 | Maths | Geometry
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tiffany
Tiffany

primary 6 chevron_right Maths chevron_right Geometry chevron_right Singapore

hi i need help with x

Date Posted: 4 years ago
Views: 221
snell
Snell
4 years ago
extend the arrow line (from x deg) up

extend the line (from 91 deg) out to left and cut the arrow line

u would hv inside the 4 side shape the following angles:
1. 91 deg
2. 98 deg
3. 68 deg (which is 180-112)
&
4. 360 - 91-98-68 = 103 deg

therefore,
x deg = 180-103 = 77 deg
so x = 77


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AC Lim
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