Answer:
you have to multiply 23 by 7 and divide 20
Step-by-step explanation:
Answer:
-1
Step-by-step explanation:
They already did the opposite reciprocal for you.
They have it in the form 
now.
To find b you just enter (x,y)=(8,1).
Let's do that.
Subtract 2 on both sides:
b=-1
There are many ways to find the side length of a right triangle.
.. When we know two sides of the right triangle, in which case, we will use the Pythagorean theorem. ..
When we know 1 side and 1 angle of the right triangle, in which case, we will use good old sohcahtoa.
The perimeter is the distance all the way around.
That's the sum of all the sides.
A triangle has 3 sides.
In an equilateral triangle, they're all the same length.
If one of them is 9.9 cm, then all of them add up to (3) · (9.9 cm) .
