Cut a parallelogram into two figures, and then put it together into a triangle. What is the triangle? There are several ways to cut and put it together

Cut a parallelogram into two figures, and then put it together into a triangle. What is the triangle? There are several ways to cut and put it together

Isosceles triangle, cut along the diagonal line of parallelogram, turn over to form an isosceles triangle

If the two sides of a triangle are 5 cm and 8 cm respectively, the length of the third side may be () cm
A. 12 cm B. 13 cm C. 14 cm

According to the trilateral relationship of the triangle, the third side should be greater than 8-5 = 3, and less than 8 + 5 = 13, 3 < the third side < 13

If the two sides of a triangle are 5 cm and 8 cm respectively, the length of the third side may be () cm
A. 12 cm B. 13 cm C. 14 cm

According to the trilateral relationship of the triangle, the third side should be greater than 8-5 = 3, and less than 8 + 5 = 13, 3 < the third side < 13