Respuesta :

Answer:

For a, use 4 squared plus 5 squared for the pythagorean theroem. You will get under square root 41.

Step-by-step explanation:

the area is 4 times 5, divided by two. Then, it's 10.

Perimeter is 4+5+undersquare root 41

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Answer:

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Step-by-step explanation: