Jeffrey's answer to nicole's Secondary 1 Maths Singapore question.
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A hexagon can be divided in to 2 triangles and 1 rectangle.
Total angles in a triangle: 180
Total angles in a rectangle: 360
Hence, total angles in a hexagon is :720
6w+120+130+140 = 720
6w = 330
W = 55
Total angles in a triangle: 180
Total angles in a rectangle: 360
Hence, total angles in a hexagon is :720
6w+120+130+140 = 720
6w = 330
W = 55
Date Posted:
2 years ago
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