Yes LMN is a right triangle .
Answer:
Step-by-step explanation:
The area of the equilateral triangle is 
Answer:
Your heart rate would be 72 beats per minute
Step-by-step explanation:
You need to get 60 minutes so If you multiply 15 by 4, its 60. Do the same for 18 and your heart rate is 72 beats per minute
20.12… squared equals 405
Square root of 405
/405
/81 x 5
9 / 5
9 Times Square root of 5 :)
H=2f/m+1
subtract one from both sides
h-1=2f/m
multiply m to both sides
m*h-1=2f
divide 2 both sides
mh-1/2=F
(the whole left side of the equation is divided by 2 i just cant do it on the computer)