contestada

find the length of the altitude to the hypotenuse. round the answer to the nearest tenth, if needed
A. 82.8
B. 86.9
C. 91.2
D. 93.6

find the length of the altitude to the hypotenuse round the answer to the nearest tenth if needed A 828 B 869 C 912 D 936 class=

Respuesta :

calculista
see the figure attached to better understand the problem

we now that

in the triangle ABC
tan alfa=126/120----------> 1.05
alfa=arctan (1.05)-------> alfa=46.40°

in the triangle ADC

sin alfa=DC/120----------> DC=sin(46.40°)*120---------> DC=86.90 units

the answer is 86.9 units

Ver imagen calculista
I just took the test the answer is 86.9

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