makenziehook8
12.01.2020 •
Mathematics
Can someone check my answer and you
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Ответ:
294 m² is correct
Step-by-step explanation:
The area (A) of a trapezoid is calculated using the formula
A =
h (a + b)
where h is the height and a, b the parallel bases
here h = 21, a = 21 and b = 7, thus
A =
× 21 × 28 = 294 m²
Ответ: