Respuesta :

fieryanswererft

Answer:

15√19 mm²

Step-by-step explanation:

Area of parallelogram=base * height

base is 15mm and we have to find height using Pythagoras theorem

9²+h²=10²

h = √100-81

= √19

so area of parallelogram = 15* √19 =15√19 mm²

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