Respuesta :

Answer: A: [tex] \frac{5 \times 7}{2} = \frac{35}{2} [/tex]

              B: [tex] 7 \times 12= 84 [/tex]

              C: [tex] \frac{5 \times 7}{2} = \frac{35}{2} [/tex]

              Total Area: [tex] 35 + 84 = 119 [/tex]

Step-by-step explanation:

Answer:

Area A = 30cm^2

Area B = 84cm^2

Area C = 30cm^2

Total Area = 114

Step-by-step explanation:

The length of Leg A is 5cm (12-7) and we can see that Shape A is a triangle. The formula to a triangle is Area = 1/2bh. 1/2(5*12) = 30.

Area of B is just a rectangle. Area = lw , so (7*12) = 84

And Area of C is exactly the same as Area of A because they are the same shapes with the same leg lengths.

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