In a right triangle, the lengths of the two sides are 4 and 5 respectively
If 5 is a hypotenuse, then the third side = root (5-4) = 3
If 5 is a right angle side, then the third side = root (5 + 4) = root 41
RELATED INFORMATIONS
- 1. In a right triangle, the three angles are 30, 60 and 90. What is the ratio of the three sides
- 2. For a right triangle, the degrees of three angles are 90 degrees, 30 degrees and 60 degrees respectively, and the right side is 1.5 meters. How long is the other right side?
- 3. On the relationship between the sides and angles of a right triangle A ship sails 10km from port a to port B 60 ° NBE, and then sails 10km to port C 30 ° NBW 1) The distance between a and C ports (the result is accurate to 0.1km); 2) What is the direction of port C in port a?
- 4. How can a right triangle with three sides know how to find three angles? For example, how can a right triangle with three sides of 3, 4, and 5 find its angle according to the change?
- 5. Mathematical right triangle If we know that the perimeter of RT triangle ABC is 4 + 4 times the root sign 3, and the length of the middle line on the hypotenuse is 2, then the area of triangle ABC is (the answer is 8)
- 6. The value of arccos (sin10)
- 7. What is the value of arccos (- 11 / 14) - arccos (1 / 7)
- 8. Find the value of arccos (COS 3 π / 4) Please try to give a detailed explanation, I am very stupid!
- 9. The value of arccos (sin 3 π / 5) is calculated
- 10. The value of arccos (- 1 / 2) is
- 11. Why are the three sides of a right triangle continuous numbers, only 3, 4, 5 Explain why
- 12. What is the angle between 3 and 5 for a right triangle with three sides ratio of 3:4:5
- 13. A right triangle, three sides are 3 4 5, why is the smallest angle degree 37 degrees
- 14. How to find the length of a right angle side of a right triangle, three angles and one right angle side 15cm? It's been a long time since I left school. I've forgotten trigonometric function, Pythagorean theorem, sine and so on. I've even forgotten the calculation process. Now I have to use it in my work. I'm so helpless Please give me a formula and a detailed calculation process,
- 15. If we know that the hypotenuse of a right triangle is 180cm, and the hypotenuse of a right triangle is 60cm, we can find the degree of the other two angles and the length of the other side~ Ask for help: know the hypotenuse of a right triangle 180cm, a right side 60cm, find the other two angles and the length of the other side ~ ==||||
- 16. What's the formula for the math problem to multiply the square of (2.5) by 4% with a calculator? Write it
- 17. First, calculate the first three questions with calculator, find out the law, then write out the quotient of the following questions directly, and find out their approximate values ① 11 divided by 111 = ② 12 divided by 111 = ③ 13 divided by 111= 14 divided by 111 = 15 divided by 111 = 16 divided by 111= 17 divided by 111 = 18 divided by 111 = 19 divided by 111= What are the rules?
- 18. Compare the two numbers in the following questions (1)(1/2)^-0.1,(1/2)^0.1 (2)(3/5)^-2/5 ,(3/5)^-3/5 (3) 5^3.1,3^3.1 (4)0.3^-1/5,0.3^-1/3
- 19. Compare the two values in the following groups (1) 0.2 to - 1.5 and 0.2 to - 1.7 (2) 1 / 3 power of (1 / 4) and 2 / 3 power of (1 / 4) (3) The - 1.5 power of 2 and the 0.2 power of 3
- 20. Compare the following numbers: (1) - 3 and - 5 (2) - 2.5 and - 2.25