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Question
primary 5 | Maths
| Angles & Geometry
2 Answers Below
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Hi, answer booklet shows
180-34 = 146
146 ÷2 = 73
73 - 45 = 18
But I don't understand why 73 - 45. Can help to explain?
Date Posted: 1 year ago
Views: 348
Diagonals of a square bisect the internal angles. AC is the diagonal of the square ABCD. Angle DAC = half of 90 degrees, which is 45 degrees.
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Thank you !
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