Answer:
Perimeter of a triangle = 2*(length + breadth)
SO = 2*18+41
= 77 is the perimeter
4 hours? i may be wrong
i did - 60 * 15
seems about right, since 50% would be 7.5 hours?
13 divided by 11.3 is 1.150442477876106. So 15 by 1.150442477876106 and you get 13.03846162772485. Just round it to the nearest tenth and you get 13.0.
The first one is B hope this helps
One meter is 3.28 feet, so anything shorter than that. A basketball, maybe a very young child?