CXS2003
05.01.2020 •
Mathematics
Determinar el centro y el radio de la circuferencia completando los trinomio cuadrado perfecto x2 + y2 +64x -6y +64
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Ответ:
Ответ:
The yellow area is 4 * 3 = 12 ft^2
The green area is a trapezoid
area = 1/2 (top + bottom) * height
= 1/2 (2+4) * 1
= 1/2 (6) * 1
= 3 ft^2
total area = yellow area + green area
= 12 + 6
= 18 ft^2