The functions of cartilage in your skeletal system include  cushioning your joints and creating passages for air when  flexibility is required. Cartilage cushions the areas â¦ between your  vertebra and joints.
exists and is an alternate of . LL Congruence theorem says: If the two legs of one right triangle are congruent to the two legs of another right triangle, then the two right triangles are congruent.
4 right angle triangles are forming in the diagram of same kind use phytagorus theorem ans=last option. Think of this polygon as 4 congruent right triangles. The sides of the polygon are the 4 hypotenuses of the 4 triangles. The 4 hypotenuses are congruent. If you find the length of one hypotenuse and multiply it by 4, you'll have the perimeter of the polygon.