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2. Die skets toon ‘n gedeelte van ‘n sypaadjiewat uit ‘n betonlaag van uniforme dikte<br />

bestaan:<br />

Bereken die grootte van θ sodat<br />

1690370<br />

(wenk: θ is ‘n stomphoek, dit wil sê 90°< θ < 180°).<br />

Antwoord: θ = 105°<br />

Opgawe 6<br />

3<br />

, m beton benodig sal word om dit te gooi.<br />

Vraag 1/ Question 1<br />

1.1 ‘n Helikopter meet met ‘n laserrigtingvinder<br />

die afstande na die<br />

hoofmaste van die Humber Brug in<br />

Engeland. Die hoek tussen die twee<br />

laserstrale word gemeet as presies 15º:<br />

197<br />

A helicopter measures the distances to<br />

the main pylons of the Humber Bridge<br />

in England using a laser range finder.<br />

The angle between the laser beams is<br />

measured as exactly 15º:

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