$\"\"$

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From the diagram hypotenuse = 11 and opposite side = 4.

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Apply Pythagorean identity: $\"\"$

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$\"\"$

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$\"\"$

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Subtract 16 from each side.

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$\"\"$

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$\"\"$

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Take square root each side.

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$\"\"$

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Adjacent side = $\"\"$ . $\"\"$

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opposite side = 4, adjacent side = $\"\"$ and hypotenuse = 11.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ . $\"\"$

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The angles are $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ .