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Use a 16 cm long wire to form a triangle (the three sides are the whole number of centimeters). How many centimeters should the longest stick be less than? A.9 b.8 c.7
Choose B
How can you circle a 15 cm long wire by folding it into a triangle
1 7 7、2 6 7、3 5 7、3 6 6、4 4 7、4 5 6、5 5 5
7 kinds
1. Use 12 cm long wire to form a triangle (each side is a whole centimeter), one side is 3 cm, the other two are several cm and several cm respectively
2. The bottom of a triangle is 6 decimeters and the height on the bottom is 4 decimeters. What is the area of the triangle
3. Make a cuboid frame with a 56cm long wire, 6cm long, 3cm wide and several cm high
4. How many square centimetres is the area of a trapezoid with an upper bottom of a centimeter, a lower bottom of B centimeter and a height of H centimeter? When the size of a becomes equal to that of B, what shape does the figure become
1. The other two sides are 4 cm and 5 cm respectively
2. (6 * 4) / 2 = 12 (square decimeter)
3. 4 cm
4. Area = (a + b) * H / 2cm2; rectangle
RELATED INFORMATIONS
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- 15. Use an 84 cm long wire to form a triangle. The ratio of the length of the three sides of the triangle is 3:4:5. How many centimeters are the lengths of the three sides?
- 16. Use an 84 cm long wire to form a triangle. The ratio of the length of the three sides of the triangle is 3:4:5. How many centimeters are the lengths of the three sides?
- 17. Use a 24 cm long wire to form a triangle. In this triangle, what is the longest length less than? Take the whole centimeter
- 18. Write all the conditions: the length of the side is an integer, each side is not equal, and the circumference is 17
- 19. Given that the perimeter of a triangle is 9 and all three sides are integers, how many triangles satisfy the condition?
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