Question

please tell me the answer​

Answer 1

Answer:

Sorry l don't know sorry

Answer 2

Step-by-step explanation:

$1). (a) : Area of rhombus \\ = \frac{ product of diagonals }{2} \\ = \frac{12 \times 14}{2} \\ = 84m \\ (b) : (x - 2a)(x - 2) \\ = {x}^{2} - 2x - 2ax + 4a \\ 2). change \: the \: time \: to \: hour \: \\ = 15min \\ = \frac{15}{60} = \frac{1}{4} h \\ a \: truck \: takes \: \frac{1}{4}h \: to \: travel \\ \: a \: distance \\ = 50m \\ distance \: traveled \: by \: truck \: in \: 1h \\ = 50 \times 4 \\ = 200m \\ distance \: traveled \: by \: truck \: in \: 2h \\ =200 \times 2 \\ = 400m$

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