Answer:
B
Step-by-step explanation:
sum of angles in a triangle is 180
6n +1 +108+9n-4=180
15n = 180 -105
15n = 75
n= 75/15 = 5
The answer is A) or 2.5^(2)
Answer:
(i) In an isosceles triangle, the bisector of the angle at the vertex is at the same time the median and the altitude.
(ii) In an isosceles triangle, the angles at the base are congruent.
(iii) In an isosceles triangle, the bisector of the angle at the vertex is an axis of symmetry of the triangle.
Step-by-step explanation:
Tada! Hope that helps. :)
I think the answer is c because Bill is surveying every fourth person who enters the mall, which would be the population surveyed. Hope I helped! (Let me know if I got it wrong)
