Question:
A ladder leans against the building wall. The ladder is $3$ meters long and it makes an angle of $28^{\circ}$ with the wall. See the picture bellow. Select all the correct results that show how high this ladder reaches.
Project ID:
7400320112
Answer 1:
$3 \cdot \cos 28^{\circ}$
Answer 1 Correct:
1
Answer 2:
$3 \cdot \sin 28^{\circ}$
Answer 2 Correct:
0
Answer 3:
$3 \cdot \sin 62^{\circ}$
Answer 3 Correct:
1
Answer 4:
$\frac{3}{\sin 28^{\circ}}$
Answer 4 Correct:
0
Answer 5:
$3 \cdot \mathrm{cotg}\, 28^{\circ}$
Answer 5 Correct:
0
Answer 6:
$\frac{3}{\mathrm{tg}\, 28^{\circ}} \cdot \sin 28^{\circ}$
Answer 6 Correct:
1
Answer 7 Correct:
0
Answer 8 Correct:
0