A flagpole is 10 m tall casts a shadow on the ground that is 15 m long. How far is the tip of the flagpole from the tip of its shadow?
a. 18 m
b. 20 m
c. 25 m
d. 30 m

A 25 m piece of string was stretched from the top of a 20 m flagpole to the
ground. How far is the base of the flagpole from the end of the piece of string?
a. 15 m
b. 10 m
c. 5 m
d. 2 m

with solution Po please tnx ​