Convert all into a fraction and you will get 115/100+1/50+47/40
So your answer is 469/200 or 2.345 as a decimal
There are 5376 squares on all of the chessboards because 84 x 64= 5376
Answer:
120°
Step-by-step explanation:
Opposite angles in a cross of 2 lines like this are equal;
A = 120 and B = D = 60°
Answer: 24 cm
Step-by-step explanation:

It is multiplied by 4 because a square has 4 equal sides and 4 equal angles.
P = 6 * 4 = 24