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primary 5 | Maths
| Area & Volume
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Date Posted: 5 years ago
Views: 750
BM = ME
So BE = 2 BM
Now, since ABE is an equilateral triangle,
Its sides are of the same length.
So AB = BE = AE
AB also = 2 BM , since AB = BE
But we also know AB is twice the length of BC.
So AB = 2 BC
Since AB = 2 BC and AB = 2 BM,
2 BC = 2 BM
BC = BM
Hence triangle BMC is an isosceles triangle.
From here, it should be easy to solve.
So BE = 2 BM
Now, since ABE is an equilateral triangle,
Its sides are of the same length.
So AB = BE = AE
AB also = 2 BM , since AB = BE
But we also know AB is twice the length of BC.
So AB = 2 BC
Since AB = 2 BC and AB = 2 BM,
2 BC = 2 BM
BC = BM
Hence triangle BMC is an isosceles triangle.
From here, it should be easy to solve.
See 1 Answer
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Hope this help
Date Posted:
5 years ago
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