(Time: 60 minutes, total score: 100)
1. Fill in the blanks (1 and 2 points, 3 and 4 points, 7 points, * * * 36 points).
1. A rectangle has () sides, () sides are equal, and there are () angles, all of which are () angles; A square has () sides, () sides are equal, and there are () angles, all of which are () angles; Opposite parallelogram ().
2. Rectangular perimeter = ()
Square perimeter = ()
3. The circumference of a square is 72 cm, and the side length is ().
4. The rectangle is 9 cm long, and the width is 3 cm less than the length. Its circumference is ().
Two. Judgment: In (), mark "√" for the right and "×" for the wrong (12).
1. Two sets of quadrangles with equal opposite sides must be rectangles. ()
2. The rectangle is 5cm long, 2cm wide and 7cm in circumference. ()
The side length of a square is 6 cm and the circumference is 24 cm. ()
4. The rectangle has a circumference of 60 cm, a length of 18 cm and a width of 42 cm. ()
Third, choose (put the serial number of the correct answer in brackets, *** 12 points)
1. The rectangle is 8m long, 4m wide and () m in circumference.
① 12②24③32
The circumference of a square is 64 meters and the side length is () meters.
① 16② 128③256
3. The perimeter of a square with a side length of 15cm is greater than that of a rectangle with a length of 25cm and a width of 10cm ().
① Long 10 cm ② Short 10 cm ③ Short 150 cm.
A rectangle with a length of 15cm, a circumference of 50cm and a width of () cm.
①35② 10③20
Four, the application problem (40 points)
1. A square handkerchief with a side length of 40 cm and a circumference of several cm?
2. A rectangular basketball court, 39 meters long, 14 meters wide and how many meters around?
A 60 cm long iron wire forms a square. How long are the sides of this square?
The perimeter of rectangle and square is equal. The length of the rectangle is 12m and the width is 8m. What is the side length of a square?