Two lines intersecting at a right angle would be perpendicular. Parallel lines do not cross or touch each other, and rats don’t form right angles. Perpendicular lines are horizontal and vertical crossing together to form a right angle.
Hope this helps!
Answer:
a) 80%
80/100 *100 = 80%
b) 10 %
Sorry not able to draw a venn diagram
smartphone 50
both 30
tablet 10
10 people 10/100 *100 = 10%
71 is the answer. If you round it, it would be 70.
Answer:
-1?
Step-by-step explanation:
