maggie9459
28.06.2019 •
Mathematics
(05.03 mc)
if x = 39, y = 58, and the measure of ac = 4 units, what is the difference in length between segments ab and ad? round your answer to the nearest hundredth.
triangles abc and adc in which angle c is a right angle, point d is on segment bc between points b and c, the measure of angle abd is x degrees, and the measure of angle adc is y degrees
.74 units
1.17 units
1.64 units
2.14 units
Solved
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Ответ:
1.64 units
Step-by-step explanation:
step 1
Find the measure of AB
In the right triangle ABC
sin(x)=AC/AB
AB=AC/sin(x)
substitute the given values
AB=4/sin(39°)=6.36 units
step 2
Find the measure of AD
In the right triangle ADC
sin(y)=AC/AD
AD=AC/sin(y)
substitute the given values
AD=4/sin(58°)=4.72 units
step 3
Find the difference in length between segments AB and AD
AB-AD=6.36-4.72=1.64 units
Ответ:
Is this a real question? Lol,
4