Alright
for a 45-45-90 triangle, if the legs are x then the hytponuse is x√2
so LM=x√2 is right
NM=x
also, tan=oposite side/adjacent side
so that would be LN/MN or MN/LN=x/x=1
so that would be tan(45)=1
so you want to check the 1st one, 3rd one and 5th one
NM=x
LM=x√2
tan(45°)=1 are the answers
Answer: bottom left
4x+2y+15
Step-by-step explanation:
3x + x=4x
5 + 10= 15
2y=2y
4x+2y+15
Answer:
lk12
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given
-- two rectangles
Required
Determine the perimeter of one of the rectangles
First, calculate the area (A) of 1 rectangle



Express as difference of two squares

Area is calculated as:

So, by comparison:


The perimeter is:


Collect Like Terms


