Một tấm bìa hình bình hành có cạnh đáy 15dm, chiều cao tương ứng dài bằng 1/3 cạnh đáy. Hỏi diện tích tấm bìa bao nhiêu đề-xi-mét vuông?

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1. Lan doesn’t wear this coat in the winter. It isn’t warm. (ENOUGH)  This coat isn’t warm enough for to wear 2. Three people can’t sit on this sofa. It isn’t wide. (ENOUGH)  This sofa isn’t __________________________________________________ 3. He didn’t get the job. He wasn’t experienced. (ENOUGH)  He wasn’t _____________________________________________________ 4. Her hair is long, curly and brown.  She has _______________________________________________________ 5. The skirt is pretty, short and pink.  It’s __________________________________________________________ 6. The baby’s eyes are nice, big and blue.  The baby has __________________________________________________ 7. My dress is long, new and yellow.  I have ________________________________________________________ 8. That is a chocolate bar. It’s new. And it’s big.  That is _______________________________________________________ 9. My dress is long, new and yellow. => I have ______________________________________________________ 10.Our vacation was long and interesting. => We spent ___________________________________________________ 11. That is a chocolate bar. It’s new. And it’s big. => That is _____________________________________________________ 12. Leaving medicine around the house is dangerous. It’s _________________________________________________________ 13. Playing with matches isn’t safe. It is very _____________________________________________________ 14. Keeping medicine in locked cupboards is safe. It is safe _____________________________________________________ 15. Her hair is long, curly and blond. She has ________________________________________________________ 16. His hair is short, wavy and brown. => He has _____________________________________________________ 17. This exercise is very difficult. They can't do it. This exercise isn't _________________________________________________ 18. He wasn’t hard-working. He couldn’t get good grades. ( Use “ enough” ) => He _________________________________________________________ 19. I am lucky because I have many good friends.  I am lucky __________________________________________________ 20. She was not old, so she couldn't be in my class.  She was not _________________________________________________ 21. Do you want to pass your exams? Work hard enough! ( Use “ enough” ) => You have to work _____________________________________________ 22. Lan has ( black / straight / long ) hair. Lan has _________________________________________________________ 23. Mary's nose is straight and her hair is long. => Mary has ____________________________________________________ 24. His hair is wavy and blonde. He has _______________ Giúp mình với ạ