How many right angles need to be put together to make:
a.) 360 degrees?
b.) 180 degrees?
C.) 270 degrees?
d.) A straight angle?
![How many right angles need to be put together to make a 360 degrees b 180 degrees C 270 degrees d A straight angle class=](https://us-static.z-dn.net/files/de5/08aeef35051f35824bdb24bf862c0706.png)