Hing Angle Sums A diagonal is drawn on a square.
How many triangles are formed?
What is the sum of the measures of the angles of a
triangle?
What is the sum of the angle measures of the square?

no

Step-by-step explanation:no cita cole tuma lesi

hope it you

step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2