how high is a tree that casts a 30 ft shadow at the same time a 10 ft pole casts a shadow which is 10 ft long?

Answer 1

No need for trig, just use ratios of similar triangles

h/30 = 10/10
h/30 = 1
h = 30

Answer 2

thats how big my pole is HAHAHAHAHAH

AND ALSO AJO MAMAMAMAMAMAMAMA!