Answered

Expand your knowledge base with the help of IDNLearn.com's extensive answer archive. Discover comprehensive answers to your questions from our community of experienced professionals.

What is the length of Line segment B C? Round to the nearest tenth. 14. 3 in. 20. 5 in. 21. 3 in. 22. 6 in.

Sagot :

The side BC is 20.5 inches.

Trigonometry

Trigonometry deals with the relationship between the sides and angles of a right-angle triangle.

Right angle triangle

It is a type of triangle in which one angle is 90 degrees and it follows the Pythagoras theorem and we can use the trigonometry function.

Given

[tex]\rm cos 35^o = \dfrac{a}{25}[/tex] is an equation.

To find

The length of Line segment BC.

How to find the length of Line segment BC?

In right-angle ΔABC, BC = a.

Then by the equation, a will be.

a = cos 35° x 25

a = 0.819 x 25

a = 20.48 ≈ 20.5

Thus the side BC is 20.5 inches.

More about the trigonometry link is given below.

https://brainly.com/question/13710437

Thank you for contributing to our discussion. Don't forget to check back for new answers. Keep asking, answering, and sharing useful information. Discover the answers you need at IDNLearn.com. Thank you for visiting, and we hope to see you again for more solutions.