In order for two linear lines to be perpendicular, the product of their gradient must be -1.
Let's take y = x + b and y = -x + b
This is already in the form: y = mx + b, where m is 1 and -1 respectively.
Since the product of their gradient is -1, they are said to be perpendicular.
Answer:
An advertisement.
Step-by-step explanation:
It's called a Celebrity Endorsement but it's a subgroup of an Advert.
8.992254284692088 is the radius I believe
Volume of a cone = πr²h/3. π=3.14 R=radius. hope this helps you :)
Answer:
A = 15u²
Step-by-step explanation:
Area of a Trapezoid Formula:

Plug in our values (h = 3, b1 = 7, b2 = 3)

Now we evaluate

