Respuesta :

clarch19

Answer:

17 sq cm

Step-by-step explanation:

i used the formula, A = 1/2h(sum of bases)

A = 1/2(4)(3+5.5)

A = 2(8.5)

A = 17 square cm
A=a+b/2 •h
A=3+5.5/2 •4
A= 8.5/2 •4
A= 4.25 • 4
A= 18.0625 cm2
99% sure you would round it to 0.5 cm= 5 mm. 99% sure the answer is 18.05 cm sq

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