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stepan [7]
3 years ago
5

Can someone please help? what is the missing length?

Mathematics
1 answer:
Harrizon [31]3 years ago
8 0
31

since A = 1/2 b h, and the A is 279 and the height is 18, we can plug them in and solve for b.
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Step-by-step explanation:

The remote angles theorem states that when one extends a side of a triangle, the angle formed between the extension and one of the sides of the triangle is equal to the sum of the two non-adjacent angles inside the triangle. One can apply this theorem here and state the following,

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