Question

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Answer 1

Answer:

43.5

Step-by-step explanation:

$a=\frac{base 1+base2}{2} h$

$a=\frac{13+16}{2} *3\\a=\frac{29}{2} *3$

$a=\frac{87}{2\\} \\a=43.5$

Answer 2

Answer: 43.5 cm²

Step-by-step explanation:

Area for a trapezium is: a + b/2 X h

13 + 16/2 X 3 = 43.5 cm²