3 years ago

Quadrilateral with only one set of perpendicular

1 answer:

8 0

Square because perpendicular means 90 degrees angle.

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Romashka [77]

Answer:

Step-by-step explanation:

Use the Law of Cosines

A = arccos[(10²+14²-9.6²)/(2×10×14) ≅ 43.3°

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Novosadov [1.4K]

The solution is 43.

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The second one hope it helps

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