Respuesta :

Hrishii

Answer:

198 sq cm

Step-by-step explanation:

[tex]A(trapezoid) = \frac{1}{ \cancel 2} (21 + 12) \times \cancel{12} \\ \\ =33 \times 6 \\ \\ = 198 \: {cm}^{2} [/tex]

Answer: 198

Step-by-step explanation:

add the bases together which is 12 + 21 = 33 and the heigh is 12 which mean u multiply the base andheight and its 198 because the answer that is not divided has to be divided by 2

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