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emmainna [20.7K]
3 years ago
15

How do i do this question? someone help

Mathematics
1 answer:
lesya [120]3 years ago
8 0
There are 360 degrees in the rhombus which means the equilateral triangles has 180 degrees (because it is half the rhombus and also it is the angle sum of a triangle). It is equilateral meaning all sides and angles are the same so they all must be 60 (180/3)
Now this must mean that angle a is equal to the opposing angle being 60
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