Answer: Triangle: x = 40 Line: x = 10
Explanation:
All angles of a triangle adds up to 180. So x + 50 + 90 (the square box represents a 90° angle) = 180
Simplify: x + 140 = 180
So x = 40°
A straight line is 180°
so 7x+110=180
7x= 70
x=10
Answer: 18 = 36.
Step-by-step explanation: (18x1) + 18 = 36
Answer: number 3, 35
Step-by-step explanation: i promise
Answer:
Step-by-step explanation:
Since it is ROTATED about the vertical line a cone is formed.
