Given that | a + & # 189; | + | B + 3 / 10 | + | C-9 7 / 10 | = 0, then ABC =?

RELATED INFORMATIONS

• 1. It is known that ABC is an integer that is not zero, 7 / 2 equals 9 / 5 equals 10, only 21, ABC is arranged from small to large
• 2. A + B + C = 312, given that a, B and C can be divisible by 789 respectively and the quotient is the same, what are ABC equal to
• 3. In △ ABC, given a = 9, B = 2, C = 150 °, what is C equal to?
• 4. It is known that the square of a + the square of B + the square of C = (a + B + C), ABC is not equal to 0, and the proof is: 1 / A + 1 / B + 1 / C = 0 /It's a division sign
• 5. In the triangle ABC, it is known that a equals 8, B equals 60 degrees, C equals 75 degrees, then what is B equal to
• 6. In triangle ABC, if ∠ A is equal to 60 degrees, ∠ B is equal to 45 degrees, and ∠ C is equal to 75 degrees, what triangle is this triangle?
• 7. Given the triangle ABC, a equals 45 degrees, B equals 75 degrees, B equals 8, find the edge a () a: 8 B: 4 C: 4 Given the triangle ABC, a equals 45 degrees, B equals 75 degrees, B equals 8, find the edge a () A：8 B：4 C：4√3－3 D：8√3－8
• 8. In the triangle ABC, given a = 8, B = 60, C = 75, find a, B,
• 9. It is known that a, B and C are the opposite sides of three internal angles a, B and C of triangle ABC, 2bcosc = 2a-c If the area of triangle ABC is root 3, find the value range of B. (possible values, I calculate B = π / 3
• 10. 1. In the triangle ABC, if angle A: angle B: angle c = 1:2:3, then the ratio of the three sides of the triangle is 2. Given that the hypotenuse C and the right edge a of a right triangle are two continuous integers, then the square of the other right edge is equal to () I hope it can be more detailed
• 11. If ABC is three positive numbers, and satisfies a + B + C = 18,1  a + B + 1  B + C + 1  C + a = 10  9, then what is the value of a  B + C + B  C + A + C  a + B?
• 12. It is known that: (a + b) &# 178; = 11, (a-b) &# 178; = 5, then the value of a & # 178; + B & # 178; is equal to_____
• 13. Given that a is not equal to B, and a ^ 2 + 3a-7 = 0, B ^ 2 + 3b-7 = 0, find the value of (1 / a) + (1 / b)
• 14. Given that a is not equal to B, and satisfies a ^ 2-3a + 1 = 0, B ^ 2-3b + 1 = 0, find the value of 1 / A ^ 2 + 1 + 1 / b ^ 2 + 1
• 15. It is known that (a + b) divided by 2Ab = 3, then (3a-7ab + 3b) divided by (a + 3AB + b) is equal to? RT
• 16. Factorization of 2 (a ^ 2-3ac) + a (4b-3c)
• 17. Observe two formulas: the square of a + B + C and the square of a + B + C + 2Ab + 2BC + 2ca,
• 18. Let a, B, C ∈ [0,2], and prove that 4A + B ^ 2 + C ^ 2 + ABC ≥ 2Ab + 2BC + 2ca
• 19. As shown in the figure, use square area to explain the formula: (a + B + C) 2 = A2 + B2 + C2 + 2Ab + 2Ac + 2BC
• 20. A-B + C = 5, find the value of a ^ 2 + B ^ 2 + C ^ 2-2ab-2bc + 2ca