triangles

• How to calculate the hypotenuse 1) and the name of this theory 2)

  1) √a²+b² = c²

  2)Pythagoras theorem
• What do angles in a triangle total

  180
• Sohcahtoa rules.

  
• how to work out an angle using trigonometry and the negative of sin cos or tan. important to know what equation to choose: there is no information on side a and the only equation without a is soh.

  
• to work out a side using trigonometry use sin cos or tan. important to know what equation to choose: there is imformaation on h and we need to know a - therefore the only equation you could use is cah as it has a and h