Which is closest to the height of the building? (Round to nearest tenth

asked Aug 15, 2022 107k views

2 votes

Which is closest to the height of the building?
(Round to nearest tenth

4.1k points

Please log in or register to add a comment.

5 votes

Answer:

$let \: it \: be \: x \\ \cos(70 \degree) = (12)/(x) \\ x = (12)/( \cos(70 \degree) ) \\ x = 35.1 \: ft$

$height = \sqrt{ {35.1}^(2) - {12}^(2) } \\ = √(1088.01) \\ = 33.0 \: ft$

Spinlok answered Aug 21, 2022

3.3k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.6m questions

4.7m answers