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klemol [59]
3 years ago
8

(Please show all work)

Mathematics
1 answer:
Lunna [17]3 years ago
7 0

The answers here are

2) x= 2, 7

3) x= -5

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A triangle has side lengths of 19 centimetres, 19 centimetres, and 20 centimetres. Is this triangle equilateral?​
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<em>hope it helps :)</em>

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