Choose the correct options for the following questions.
A ladder leaning against a vertical wall makes an angle of $24^{\circ}$ with the wall. Its foot is 5 m from the wall. Its length is
Difficulty: Easy
A:
5.47 m
B:
2 m
C:
7 m
D:
6.29 m
A vertical pole is 8 m high and the length of its shadow is 6 m. The angle of elevation of the sun at that moment is
Difficulty: Easy
A:
$57^{\circ}$
B:
$-48^{\circ}$
C:
$27^{\circ}5'$
D:
$53^{\circ}8'$
A triangle has six
Difficulty: Easy
A:
sides
B:
elements
C:
angles
D:
tangents
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