Find the value of x rounded to the nearest hundredth.

Question

asked Dec 10, 2020 126k views

1 Answer

Rasheda · Answer 1 · 2020-12-16T21:13:50+0000

Answer:

$x=6.93\ units$

Explanation:

To better understand the problem see that attached figure with letters

we know that

In the right triangle BCD

cos(C)=4/x ----> equation A

we know that

In the right triangle ABC

cos(C)=x/12 -----> equation B

equate equation A and equation B

$(4)/(x)=(x)/(12)\\ \\x^(2)=48\\ \\x=6.93\ units$