Patterns are used to represent sequence of numbers.
The shape at the 50th position is a triangle
The pattern rule is given as: square, triangle, circle, oval.
The number of shapes (n) is given as:

So, the 50th shape is calculated using the following absolute operator

i.e. divide 50 by 4, and take note of the remainder.
When 50 is divided by 4, the remainder is 2
So, we have:

This means that, the shape at the 50th position is the same shape at the 2nd position.
Hence, the shape is triangle
Read more about pattern at:
brainly.com/question/24050043
Answer: y = 15
Step-by-step explanation:
6y - 10 + 6y + 10 = 180
+ 10 - 10 -10 +10
12y = 180
12y/12 = 180/12
y = 15
U need to draw the orthonormal system to indicate
The answer should be on Photomath