# Very simple Trig question about adjacent sides

1. Jun 13, 2016

### Liam C

What is the adjacent side to an angle at 90 degrees? Aren't two sides adjacent to it?

2. Jun 13, 2016

### Staff: Mentor

Yes, but the usual context is that we're interested in one of the acute angles in a right triangle, not the right angle.

3. Jun 13, 2016

### Liam C

Thank you.

4. Jun 13, 2016

### SteamKing

Staff Emeritus
There's two adjacent sides to every angle.

5. Jun 13, 2016

### Liam C

Lol, well yes, but what I meant to say was, and what I think was implied was, "Aren't there two adjacent sides, neither of which are the hypotenuse?"

6. Jun 13, 2016

### SteamKing

Staff Emeritus
Yep.

7. Jun 13, 2016

### Liam C

God, I'm bad with humour.

8. Jun 22, 2016

### CWatters

Consider what happens if you start with an angle less than 90 and then increase it so that it approaches 90.

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