Answer:
Associative
Step-by-step explanation:
The associative property of addition states that you can add numbers however they are grouped inside parentheses.
It doesn't matter where you put the parentheses. You will always get the same answer.
For example,

It's A ...cos (90- theta) = sin theta
so A
Answer:
180°
Step-by-step explanation:
Angles that are called straight angles make up a straight line.
A straight line measures 180°.
So, angles on a straight line make up 180°.
Hope this helps.
Answer:
254.34
Step-by-step explanation:
This is because A=C2
4π which is 18x18 divided 4x 3.14 which equals 254.34
The hinge theorem states that if two triangles have equivalent side lengths but different angles, the triangle with the larger angle is going to have a longer opposing side.
UVT < UTS < STR
That means that VU < US < SR, due to the hinge theorem