Respuesta :

AnastasiaTJ

Answer:

28 [tex]cm^{2}[/tex]

Step-by-step explanation:

The formula of area for triangles: [tex]\frac{1}{2}bh[/tex]

[tex]\frac{1}{2}[/tex] * 7 = 3.5   (3.5 *2) = 7

The formula for area of a rectangle: bh

7*3 = 21

Add the areas together 21+7 = 28 squared cm

thalassophile

Answer:

28cm²

Formula of area of triangle:

1/2 x base x height

Formula of area of rectangle:

length x width

thus,

area of the whole thing:

(1/2 x 7cm x 2cm)+(3cm x 7cm)

=7cm²+21cm²

=28cm²

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