Cosine of an angle is the adjacent leg divided by the hypotenuse.
So cos(60) = a / 12
I'm going to assume it's your last option because it's not in the picture.
Answer:
-3
Step-by-step explanation:
-2.5-0.5=3.0
Answer: it should be 136 square centimetres
Explanation:
Answer; (i) 40 p, Rs 2 = 40 p to 200 p (1 Rupee = 100 paise)
Explanation;
Answer:
4m +2
Step-by-step explanation:
The perimeter of a square is 4 times the length of the side:

The perimeter of the square is 4m+2 units.