The length of one side of a rectangle is $$\(12 \mathrm{~cm}\)$$. The length of the diagonal of the rectangle is $$\(13 \mathrm{~cm}\)$$. Calculate the area of the rectangle. ...................................... $$\(\mathrm{cm}^{2}\)$$
Exam No：0580_w20_qp_22 Year：2020 Question No：13
Answer:
60
Knowledge points:
E5.2 Carry out calculations involving the perimeter and area of a rectangle, triangle, parallelogram and trapezium and compound shapes derived from these.
E6.2.1 Apply Pythagoras’ theorem and the sine, cosine and tangent ratios for acute angles to the calculation of a side or of an angle of a right- angled triangle. (Angles will be quoted in degrees. Answers should be written in degrees and decimals to one decimal place.)
E6.2.3 Know that the perpendicular distance from a point to a line is the shortest distance to the line.
Solution:
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