3 years ago

What kind of angles are ADB and BDC

Mathematics

1 answer:

Taya2010 [7]3 years ago

6 0

Answer:

Triangles.

Step-by-step explanation:

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Step-by-step explanation:

Let

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we know that

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substitute in the formula

$A=\frac{1}{2}(17.91)(17.91)sin(21.21\°)$

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