Respuesta :

Answer:

2

Step-by-step explanation:

There are 6 sides:

3 by 4 = 3*4 = 12, no

3 by 3  = 3*3 = 9, no

5 by 3 = 5*3 = 15, no

Triangles:

Half of 3 by 4 = 1/2 * 3* 4 = 1/2 * 12 = 6, yes

The other triangle is the same, so 2

Answer:

two

Step-by-step explanation:

Area of the rectangle on the left = 4 * 3 = 12 cm^2

area of the square = 3^2 = 9 cm^2

Area of the rectangle on the right = 5 * 3 = 15 cm^2

Area of the two triangles = (4 * 3)/2 = 6 cm^2

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