Eric leans a ladder against the roof of his house so that the ladder forms a 70 degrees angle with the ground. The roof of the house is 13 feet above the ground. How far is the bottom of the ladder from the base of the house? Round the answer to the nearest tenth.

A.

0.2 feet
B.

4.4 feet
C.

4.7 feet
D.

71.2 feet

Question

Eric leans a ladder against the roof of his house so that the ladder forms a 70 degrees angle with the ground. The roof of the house is 13 feet above the ground. How far is the bottom of the ladder from the base of the house? Round the answer to the nearest tenth.

A.
	
0.2 feet
B.
	
4.4 feet
C.
	
4.7 feet
D.
	
71.2 feet

anonymous · Answer

A.
	
0.2 feet
B.
	
4.4 feet
C.
	
4.7 feet
D.
	
71.2 feet

campbell_st · Answer

start by drawing a diagram and include the information

|dw:1393477617651:dw|

find the measure of x using a trig ratio... 

which would you use..?

anonymous · Answer

i dont know

campbell_st · Answer

so which trig ratios do you know..?

anonymous · Answer

i  just started this class  and i really dont understand any of it.is the trig ratios the san and tan

campbell_st · Answer

well this question uses tan

tan = opp/adj

so 

tan(70) = 13/x

just solve for x

anonymous · Answer

so i just divide 70 by 13?

anonymous · Answer

?

anonymous · Answer

thank you