Respuesta :

ItzJohn111

Answer: 100

Step-by-step explanation:

20*13 = 260

260/2 = 130

10*6 = 60

60/2 = 30

130-30 = 100

mathstudent55

Answer:

100 ft²

Step-by-step explanation:

The area of the shaded region is the area of the outer triangle minus the area of the inner triangle.

For a triangle,

A = bh/2

A = 13 × 20/2 + 10 × 6/2

A = 130 - 30

A = 100

Answer: 100 ft²

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