A) How high up the wall does it reach?
Use the Pythagorean theorem
Height^2 + Base^2 = Hyp^2
H^2+ 2^2 = 4^2 Subtract the 2^2 from both sides
H^2 = 4^2 -2^2 Multiply the square roots of both the numbers
H^2= 16 - 4
H^2 = 12
H= sqrt(12) m
Hope this helps
Answer:
12
Step-by-step explanation:
12 +30= 42
42+12=54
Answer:29
Step-by-step explanation:
Answer:
x=-2
Step-by-step explanation:
It is a straight line when x=-2 :)