The answer is: 10
I hope it’s helps you :)
Idk I’m just saying this so I can answer my question
The first hat costs 18.78 dollars and the second 37.60 dollars to the nearest hundredth.
Answer:

- A pair of complementary angles is angles ACD and DCB.
Step-by-step explanation:
<u>Definitions</u>
- Two or more angles are supplementary if they add up to 180 degrees.
- Two or more angles are complementary if they add up to 90 degrees.
In the diagram which is attached below:
Angles ADC are BDC are on a straight line, and they add up to 180 degrees.
Therefore:

Furthermore,

A pair of complementary angles is angles ACD and DCB.