Pre-Calculus, 9th edition
The length of shadow of monument is .
The angle of elevation of the sun is .
Find the height of the monument.
Consider height of the monument is .
Draw the diagram for the situation.
From the figure :
Substitute and and .
.
Therefore, the height of the monument is .
The height of the monument is .
TESTIMONIALS
"I want to tell you that our students did well on the math exam and showed a marked improvement that, in my estimation, reflected the professional development the faculty received from you. THANK YOU!!!" June Barnett |
"Your site is amazing! It helped me get through Algebra." Charles |
"My daughter uses it to supplement her Algebra 1 school work. She finds it very helpful." Dan Pease |
mathskey.com is not affiliated with any Publisher, Book cover, Title, Author names appear for reference only