Obtuse Angle= An angle over 90 degrees but below 180 degrees.
Reflex Angle= An angle over 180 degrees.
Acute angle= An angle less than 90 degrees.
The Nth Term
Step 1- Find the term to term rule.
Step 2- Multiply the term number by the term to term rule.
Step 3- Work out what you need to add or take away to get the sequence.
Step 4- Write out the formula. IE 4N+5