How can you decompose the composite figure to determine its area? as a circle, two trapezoids, and a rectangle as a semicircle, a pentagon, and two triangles as a semicircle, a hexagon, and a rectangle as a circle, six triangles, and a rectangle

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azaz1819

23.10.2020

Mathematics

Speed of car

$45 \frac{km}{h}$ Time : 20 min $\frac{20}{60} h$ $\frac{1}{3} h$ We have , speed $= \: \frac{distance}{time}$ :. Distance $= \: speed \: \times \: time \\ = \: 45 \frac{km}{h} \: \: \times \frac{1}{3} h \: \: \\ = 15 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$ Hence , the distance covered by the car is 15 km

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