59.4cm
Use Pythagorean theorem to find the diagonal (^ means exponent)
a^2 + b^2 = c^2
42^2 + 42^2= c^2
1764+1764=c^2
3528=c^2
square root both sides
c= 59.39696962
round and you get 59.4 cm
I believe it’s 5, 2 you would just you 2,-2 as a line segment
Its alright dude just gotta work hard and study i know you can do it
Answer:
Multiplication
Step-by-step explanation:
PEMDAS
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
-Since there are parentheses you do that first, so multiplication.