Answer:
2 is scalene
3 is obtuse
4 is isosceles
Step-by-step explanation:
Check the picture below, that's the suspension bridge with supporting cables and traffic on it.
Answer:
umm ok srry this is confusing
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
All the triangles are similar, so ...
... 4/y - y/9
... 36 = y² . . . . . multiply by 9y
... 6 = y
From the Pythagorean theorem, ...
... x² = 4² + y² = 4² + 6²
... x² = 52 = 4·13
... x = √(4·13) = 2√13
Green Box: 2
Answer:
1. m<UTV=m<STR Vertical angles
2. m<R+ m<S+m<T. Triangles must add up to 180°
3. 3x+2x+85°=180°. Substitution
4. X=19. Algebra