Lista de exercícios do ensino médio para impressão
The measure of the two legs of the right triangle T are, respectively, 12 cm and 5 cm each, so the length of the altitude to the hypotenuse of T is:
a)
$\,\dfrac{12}{5}\,$ cm
b)
$\,\dfrac{5}{13}\,$ cm
c)
$\,\dfrac{12}{13}\,$ cm
d)
$\,\dfrac{25}{13}\,$ cm
e)
$\,\dfrac{60}{13}\,$ cm

 



answer: (E)
×
The lantern shown in the picture is suspended by two strings perpendicular to each other. Knowing the length of each string is 1/2 and 6/5 , respectively, what is the distance between the lantern and the ceiling?
a)
1,69
b)
1,3
c)
0,6
d)
1/2
e)
6/13
lantern suspended by two string measuring each 1/2 e 6/5, respectively

 



answer: (E)
×
Other math tests: metric relations in a right triangle