Answer:
6 cm
Step-by-step explanation:
Area of a rectangle = length * width
Here, length and width are 12 cm and 3 cm, so
Area = 12*3 = 36 cm squared
Area of a square = side * side
36 = 6*6
Thus, side = 6 cm
bottom left :)
25 guess
I'm just guessing
The value of b will be 43° as it is vertically opposite angle.. !!