Respuesta :

Answer:

28 square inches

Step-by-step explanation:

Area = b * h

To find the height, you first have to solve the triangle.

[tex]a^{2} +b^{2} =c^{2} \\\\3^{2} +h^{2} =5^{2} \\h^{2} =5^{2} -3^{2} \\h=4[/tex]

Now use that for your area

Area = 7 * 4

Answer-21 square inches