Answer:
two of the sides are 21 m long and one of the sides is 28 m long
Answer:
heart,lungs,oxygen i know i took a test like that before
Since the sum of third side of a triangle is smaller than the sum of other two sides
So n<12+5
n<17
1. 9/10 + 7/9 = 81/90 + 70/90 = 151/90 = 1 61/90
2. 1/2-3/11 = 11/22-6/22 = 5/22
3. 2/5-1/15 = 6/15-1/15 = 5/15 =1/3