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11. What is one half of a parallelogram?
A. pentagon
B.triangle
C. square
D. rectangle

12. What polygon does a trapezoid come from?
A. triangle
B. kite
C. square
D. rectangle

13. If a parallelogram is divided by two diagonals intersecting each other, how many triangles are formed?
A. 1
B. 2
C. 3
D. 4

14. What kind of identical triangles make a right kite?
A .Acute triangle
B. obtuse triangle
C. right triangle
D. Scalene triangle

15. If the parallelogram is divided by a diagonal, how many triangles are formed?
A. 1
B. 2
C. 3
D. 4​