Homework Help: math

Posted by Jazmyne on Thursday, January 5, 2012 at 1:49pm.

How high is a treethat cast a 26-ft shadow at the same time a 4-ft pole cast a shadow which is 7-ft long? The hieght of the tree is____ ft. I believe that this answer is 23-ft tall is that correct?

math - Reiny, Thursday, January 5, 2012 at 2:16pm
no,
you have 2 similar triangles so just set up a simple ratio
h/26 = 4/7
h = (4/7)(26) = 14.857 or appr 15 ft
math - Jazmyne, Thursday, January 5, 2012 at 2:27pm
thank you, Reiny

Answer this Question

Related Questions

Intermediate Algebra - A 6-foot man cast a shadow of 2.5ft. At the same time of ...
algebra - joni notices that a 15 ft. flag pole cast a shadow of 25 feet. A tree ...
trig - a tree casts a shadow 36 ft long. at the same timem the shadow cast by a ...
trig - a tree casts a shadow 36 ft long. at the same timem the shadow cast by a ...
Math - At the same time of day a cable pole and a yard stick cast shadows of 20 ...
math - how high is a tree that cast a 24-foot shadow at the same time a 9-foot ...
math - A building cast a shadow 42m long. At the same time, the shadow cast by a...
math - A tree cast a 24 foot shadow at the same time a fence post 5 feet high ...
trig - how high is a tree that casts a 30 ft shadow at the same time a 10 ft ...
MATH - A WALL 9 FT.HIGH CAST A SHADOW OF 15 FT. FIND THE ANGLES OF THE SUN'S...

For Further Reading

First Name:
School Subject:
Answer: