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Why does a triangle have an angle of 90 degrees, an angle of 30 degrees, and an angle of 60 degrees to find the relationship between the sides of the triangle
The sum of the squares of two right angles equals the square of the hypotenuse
What triangle is 30, 60, 90 degrees
Right triangle
Have a good time
What triangle is a 30 degree, 60 degree, 90 degree triangle?
Right triangle
RELATED INFORMATIONS
- 1. A triangle, an angle of 30 degrees, an angle of 60 degrees, of course, there is another 90 degrees, so what is the proportion of the sides of the triangle? What's more, is there any link to cosin, cosin and other related angle issues?
- 2. Students went to plant trees. The first group planted 18 trees in 30 minutes, and the second group planted 12 trees in 18 minutes. Which group planted trees faster?
- 3. Class 51 is divided into three groups to plant trees. The first group has 15 people to plant 6 trees, the second group has 18 people to plant 7 trees, and the third group has 24 people to plant 13 trees?
- 4. Four (1) class students plant trees, each plant one tree, there are 20 trees left, each plant two trees, the difference is 30 trees. How many students? How many saplings?
- 5. The students went to plant trees. In the first group, 20 trees were planted at 30 points, and in the second group, 12 trees were planted at 18 points. Which group planted trees faster than others in the same lesson,
- 6. How much is 1000 plus 40 plus 1000 plus 30 plus 1000 plus 20 plus 1000 plus 10
- 7. Can you draw a 15 degree angle with a triangle ruler?
- 8. Simple calculation of (3 / 8 + 2 / 17) × 8 + 1 / 17
- 9. Simple calculation of 0.56 times 301
- 10. Simple calculation: 12 × (11 / 12-7 / 30) × 30 4 and 1 / 5-1 / 6 - (5 / 2-5 / 6) 4.38-1.56 + 0.62-0.44 13 out of 16 × (9 out of 13 × 17-9 out of 13)
- 11. 46 degrees 53 minutes + 27 degrees 7 seconds= quickly
- 12. The greatest common factor of 63 and 21
- 13. How to calculate the size of the TV? Is the area of a 42 inch TV equal to the area of two 21 inches? How to calculate the size of the TV? Is a 42 inch TV equal to two 21 inch areas? Is an 84 inch TV equal to two 42 inch areas and four 21 inch areas?
- 14. What is the least common multiple of 63 and 42?
- 15. Which of 30, 55, 78, 201, 405, 720, 969, 1008 are multiples of 2 or 3
- 16. To make 872 () a multiple of 55
- 17. In 6, 30, 55, which are multiples of 6
- 18. What is a multiple of 99
- 19. Calculate the square of 1 - the square of 2 + the square of 3 - the square of 4 + the square of 19 - the square of 20
- 20. X + 5x = 6, what is x equal to