mariaa21
mariaa21
17-03-2018
Mathematics
contestada
i need a&b answereda
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sqdancefan
sqdancefan
17-03-2018
a) The area of a trapezoid is the product of height and average base length.
.. area = (8 cm)*(12 cm +20 cm)/2 = 128 cm^2
b) The area is half the product of the diagonals.
.. area = (1/2)*(10 in)*(6 in) = 30 in^2
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Is y=6x-6 direct proportion
